74453786956 has 48 divisors (see below), whose sum is σ = 142228094400. Its totient is φ = 33994053632.

The previous prime is 74453786809. The next prime is 74453787007. The reversal of 74453786956 is 65968735447.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80676 + ... + 394228.

It is an arithmetic number, because the mean of its divisors is an integer number (2963085300).

Almost surely, 2^74453786956 is an apocalyptic number.

It is an amenable number.

74453786956 is a deficient number, since it is larger than the sum of its proper divisors (67774307444).

74453786956 is a wasteful number, since it uses less digits than its factorization.

74453786956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313698 (or 313696 counting only the distinct ones).

The product of its digits is 152409600, while the sum is 64.

The spelling of 74453786956 in words is "seventy-four billion, four hundred fifty-three million, seven hundred eighty-six thousand, nine hundred fifty-six".