72500124 has 24 divisors (see below), whose sum is σ = 178071040. Its totient is φ = 22894704.

The previous prime is 72500111. The next prime is 72500149. The reversal of 72500124 is 42100527.

It is a self number, because there is not a number n which added to its sum of digits gives 72500124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158764 + ... + 159219.

Almost surely, 2^72500124 is an apocalyptic number.

It is an amenable number.

72500124 is an abundant number, since it is smaller than the sum of its proper divisors (105570916).

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

72500124 is a wasteful number, since it uses less digits than its factorization.

72500124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318009 (or 318007 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 72500124 is about 8514.7004644908. The cubic root of 72500124 is about 416.9777834951.

The spelling of 72500124 in words is "seventy-two million, five hundred thousand, one hundred twenty-four".