72503464 has 16 divisors (see below), whose sum is σ = 148302720. Its totient is φ = 32956080.

The previous prime is 72503437. The next prime is 72503471. The reversal of 72503464 is 46430527.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411864 + ... + 412039.

It is an arithmetic number, because the mean of its divisors is an integer number (9268920).

Almost surely, 2^72503464 is an apocalyptic number.

It is an amenable number.

72503464 is an abundant number, since it is smaller than the sum of its proper divisors (75799256).

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

72503464 is a wasteful number, since it uses less digits than its factorization.

72503464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823920 (or 823916 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 72503464 is about 8514.8965936176. The cubic root of 72503464 is about 416.9841866309.

The spelling of 72503464 in words is "seventy-two million, five hundred three thousand, four hundred sixty-four".