72704316 has 24 divisors (see below), whose sum is σ = 173782224. Its totient is φ = 23643520.

The previous prime is 72704299. The next prime is 72704323. The reversal of 72704316 is 61340727.

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, 73395 + ... + 74378.

It is an arithmetic number, because the mean of its divisors is an integer number (7240926).

Almost surely, 2^72704316 is an apocalyptic number.

It is an amenable number.

72704316 is an abundant number, since it is smaller than the sum of its proper divisors (101077908).

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

72704316 is a wasteful number, since it uses less digits than its factorization.

72704316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147821 (or 147819 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 72704316 is about 8526.6825905507. The cubic root of 72704316 is about 417.3688803831.

The spelling of 72704316 in words is "seventy-two million, seven hundred four thousand, three hundred sixteen".