72314664 has 32 divisors (see below), whose sum is σ = 182656320. Its totient is φ = 23855616.

The previous prime is 72314659. The next prime is 72314677. The reversal of 72314664 is 46641327.

It is a happy 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, 13204 + ... + 17859.

It is an arithmetic number, because the mean of its divisors is an integer number (5708010).

Almost surely, 2^72314664 is an apocalyptic number.

It is an amenable number.

72314664 is an abundant number, since it is smaller than the sum of its proper divisors (110341656).

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

72314664 is a wasteful number, since it uses less digits than its factorization.

72314664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31169 (or 31165 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 72314664 is about 8503.8029139909. The cubic root of 72314664 is about 416.6219278542.

The spelling of 72314664 in words is "seventy-two million, three hundred fourteen thousand, six hundred sixty-four".