Number 7 is very special number and the reasons for it are as follows:
(I) There are 7 days in a week.
(II) There are 7 steps taken in marriage and both of them are giving promise to stay together for 7 births.
(III) There are 7 colours in Rainbow. There are Red, Orange, Yellow, Green, Blue, Indigo and Violet.
(IV) There are total 7 Continents in the world. They are Africa, Antarctica, Asia, Australia, Europe, North America and South Africa.
(V) There are 7 Wonders in the World. Great Wall of China, Christ the Redeemer Statue, Machu Picchu, Chichen Itza, The Roman Colosseum, Taj Mahal, Petra are the seven wonders of the world.
(VI) Mahendra Singh Dhoni is having number 7 on his Jersey.
Even the birth date of MS Dhoni is 7 and that too in a month of July which is again having number 7.
(VII) Cristiano Ronaldo is having number 7 on his jersey. He is known as world's best footballer in the world.
(VIII) In The movies of bond the symbol that is been used as 007.
(IX) 7 is a prime number between 1 To 9.
(X) Our Subconscious mind takes decision 7 seconds earlier than of our Conscious mind.
Above are the reasons tells the importance of number seven.