7479020906 has 32 divisors (see below), whose sum is σ = 13631079168. Its totient is φ = 3008079360.

The previous prime is 7479020903. The next prime is 7479020921. The reversal of 7479020906 is 6090209747.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (7479020903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202055 + ... + 236186.

It is an arithmetic number, because the mean of its divisors is an integer number (425971224).

Almost surely, 2^7479020906 is an apocalyptic number.

7479020906 is a deficient number, since it is larger than the sum of its proper divisors (6152058262).

7479020906 is a wasteful number, since it uses less digits than its factorization.

7479020906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438326.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 7479020906 is about 86481.3327024971. The cubic root of 7479020906 is about 1955.6069967139.

The spelling of 7479020906 in words is "seven billion, four hundred seventy-nine million, twenty thousand, nine hundred six".