72324680 has 16 divisors (see below), whose sum is σ = 162730620. Its totient is φ = 28929856.

The previous prime is 72324653. The next prime is 72324713. The reversal of 72324680 is 8642327.

It can be written as a sum of positive squares in 2 ways, for example, as 69588964 + 2735716 = 8342^2 + 1654^2 .

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, 904019 + ... + 904098.

Almost surely, 2^72324680 is an apocalyptic number.

It is an amenable number.

72324680 is an abundant number, since it is smaller than the sum of its proper divisors (90405940).

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

72324680 is a wasteful number, since it uses less digits than its factorization.

72324680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808128 (or 1808124 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 72324680 is about 8504.3918065903. The cubic root of 72324680 is about 416.6411618166.

The spelling of 72324680 in words is "seventy-two million, three hundred twenty-four thousand, six hundred eighty".