72651804 has 48 divisors (see below), whose sum is σ = 172368000. Its totient is φ = 23814976.

The previous prime is 72651791. The next prime is 72651841. The reversal of 72651804 is 40815627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319939 + ... + 320165.

It is an arithmetic number, because the mean of its divisors is an integer number (3591000).

Almost surely, 2^72651804 is an apocalyptic number.

It is an amenable number.

72651804 is an abundant number, since it is smaller than the sum of its proper divisors (99716196).

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

72651804 is a wasteful number, since it uses less digits than its factorization.

72651804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 72651804 is about 8523.6027593970. The cubic root of 72651804 is about 417.2683721208.

The spelling of 72651804 in words is "seventy-two million, six hundred fifty-one thousand, eight hundred four".