74672664 has 32 divisors (see below), whose sum is σ = 203653440. Its totient is φ = 22628000.

The previous prime is 74672657. The next prime is 74672683. The reversal of 74672664 is 46627647.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141162 + ... + 141689.

It is an arithmetic number, because the mean of its divisors is an integer number (6364170).

Almost surely, 2^74672664 is an apocalyptic number.

It is an amenable number.

74672664 is an abundant number, since it is smaller than the sum of its proper divisors (128980776).

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

74672664 is a wasteful number, since it uses less digits than its factorization.

74672664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282871 (or 282867 counting only the distinct ones).

The product of its digits is 338688, while the sum is 42.

The square root of 74672664 is about 8641.3346191430. The cubic root of 74672664 is about 421.1019137425.

The spelling of 74672664 in words is "seventy-four million, six hundred seventy-two thousand, six hundred sixty-four".