74964432 has 20 divisors (see below), whose sum is σ = 193658240. Its totient is φ = 24988128.

The previous prime is 74964401. The next prime is 74964451. The reversal of 74964432 is 23446947.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 780832 + ... + 780927.

It is an arithmetic number, because the mean of its divisors is an integer number (9682912).

Almost surely, 2^74964432 is an apocalyptic number.

It is an amenable number.

74964432 is an abundant number, since it is smaller than the sum of its proper divisors (118693808).

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

74964432 is a wasteful number, since it uses less digits than its factorization.

74964432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561770 (or 1561764 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 74964432 is about 8658.2002748839. The cubic root of 74964432 is about 421.6496571918.

The spelling of 74964432 in words is "seventy-four million, nine hundred sixty-four thousand, four hundred thirty-two".