72724004124 has 24 divisors (see below), whose sum is σ = 170022735120. Its totient is φ = 24193707264.

The previous prime is 72724004053. The next prime is 72724004141. The reversal of 72724004124 is 42140042727.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5947069 + ... + 5959284.

It is an arithmetic number, because the mean of its divisors is an integer number (7084280630).

Almost surely, 2^72724004124 is an apocalyptic number.

It is an amenable number.

72724004124 is an abundant number, since it is smaller than the sum of its proper divisors (97298730996).

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

72724004124 is a wasteful number, since it uses less digits than its factorization.

72724004124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11906869 (or 11906867 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 33.

The spelling of 72724004124 in words is "seventy-two billion, seven hundred twenty-four million, four thousand, one hundred twenty-four".