74664632 has 24 divisors (see below), whose sum is σ = 162853560. Its totient is φ = 31998960.

The previous prime is 74664593. The next prime is 74664679. The reversal of 74664632 is 23646647.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94844 + ... + 95627.

It is an arithmetic number, because the mean of its divisors is an integer number (6785565).

Almost surely, 2^74664632 is an apocalyptic number.

It is an amenable number.

74664632 is an abundant number, since it is smaller than the sum of its proper divisors (88188928).

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

74664632 is a wasteful number, since it uses less digits than its factorization.

74664632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190491 (or 190480 counting only the distinct ones).

The product of its digits is 145152, while the sum is 38.

The square root of 74664632 is about 8640.8698636191. The cubic root of 74664632 is about 421.0868149024.

The spelling of 74664632 in words is "seventy-four million, six hundred sixty-four thousand, six hundred thirty-two".