72900504 has 24 divisors (see below), whose sum is σ = 197439060. Its totient is φ = 24300144.

The previous prime is 72900469. The next prime is 72900533. The reversal of 72900504 is 40500927.

72900504 is a `hidden beast` number, since 72 + 90 + 0 + 504 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×72900504³ (a number of 25 digits) contains 333 as substring.

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 5 ways as a sum of consecutive naturals, for example, 506182 + ... + 506325.

Almost surely, 2^72900504 is an apocalyptic number.

It is an amenable number.

72900504 is an abundant number, since it is smaller than the sum of its proper divisors (124538556).

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

72900504 is a wasteful number, since it uses less digits than its factorization.

72900504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012519 (or 1012512 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 72900504 is about 8538.1791969951. The cubic root of 72900504 is about 417.7439577228.

The spelling of 72900504 in words is "seventy-two million, nine hundred thousand, five hundred four".