72730204 has 24 divisors (see below), whose sum is σ = 130183200. Its totient is φ = 35540544.

The previous prime is 72730193. The next prime is 72730211. The reversal of 72730204 is 40203727.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73497 + ... + 74479.

It is an arithmetic number, because the mean of its divisors is an integer number (5424300).

Almost surely, 2^72730204 is an apocalyptic number.

It is an amenable number.

72730204 is a deficient number, since it is larger than the sum of its proper divisors (57452996).

72730204 is a wasteful number, since it uses less digits than its factorization.

72730204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389 (or 1387 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 72730204 is about 8528.2005135902. The cubic root of 72730204 is about 417.4184123503.

The spelling of 72730204 in words is "seventy-two million, seven hundred thirty thousand, two hundred four".