72500804 has 6 divisors (see below), whose sum is σ = 126876414. Its totient is φ = 36250400.

The previous prime is 72500803. The next prime is 72500809. The reversal of 72500804 is 40800527.

It can be written as a sum of positive squares in only one way, i.e., 71402500 + 1098304 = 8450^2 + 1048^2 .

It is not an unprimeable number, because it can be changed into a prime (72500803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9062597 + ... + 9062604.

It is an arithmetic number, because the mean of its divisors is an integer number (21146069).

Almost surely, 2^72500804 is an apocalyptic number.

It is an amenable number.

72500804 is a deficient number, since it is larger than the sum of its proper divisors (54375610).

72500804 is a wasteful number, since it uses less digits than its factorization.

72500804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18125205 (or 18125203 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 72500804 is about 8514.7403953380. The cubic root of 72500804 is about 416.9790871435.

The spelling of 72500804 in words is "seventy-two million, five hundred thousand, eight hundred four".