72684304 has 40 divisors (see below), whose sum is σ = 175578048. Its totient is φ = 28318080.

The previous prime is 72684281. The next prime is 72684341. The reversal of 72684304 is 40348627.

It is a self number, because there is not a number n which added to its sum of digits gives 72684304.

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, 28267 + ... + 30730.

Almost surely, 2^72684304 is an apocalyptic number.

It is an amenable number.

72684304 is an abundant number, since it is smaller than the sum of its proper divisors (102893744).

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

72684304 is a wasteful number, since it uses less digits than its factorization.

72684304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59023 (or 59017 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 72684304 is about 8525.5090170617. The cubic root of 72684304 is about 417.3305830121.

The spelling of 72684304 in words is "seventy-two million, six hundred eighty-four thousand, three hundred four".