74796521772 has 36 divisors (see below), whose sum is σ = 203019132120. Its totient is φ = 21370434624.

The previous prime is 74796521753. The next prime is 74796521777. The reversal of 74796521772 is 27712569747.

It is not an unprimeable number, because it can be changed into a prime (74796521777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63601897 + ... + 63603072.

Almost surely, 2^74796521772 is an apocalyptic number.

It is an amenable number.

74796521772 is an abundant number, since it is smaller than the sum of its proper divisors (128222610348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74796521772 is a wasteful number, since it uses less digits than its factorization.

74796521772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127204990 (or 127204981 counting only the distinct ones).

The product of its digits is 10372320, while the sum is 57.

The spelling of 74796521772 in words is "seventy-four billion, seven hundred ninety-six million, five hundred twenty-one thousand, seven hundred seventy-two".