72406670213724 has 96 divisors (see below), whose sum is σ = 210640737140736. Its totient is φ = 18806645983680.

The previous prime is 72406670213707. The next prime is 72406670213821. The reversal of 72406670213724 is 42731207660427.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65207757 + ... + 66308859.

It is an arithmetic number, because the mean of its divisors is an integer number (2194174345216).

Almost surely, 2^{72406670213724} is an apocalyptic number.

It is an amenable number.

72406670213724 is an abundant number, since it is smaller than the sum of its proper divisors (138234066927012).

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

72406670213724 is a wasteful number, since it uses less digits than its factorization.

72406670213724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172295 (or 1172293 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 51.

The spelling of 72406670213724 in words is "seventy-two trillion, four hundred six billion, six hundred seventy million, two hundred thirteen thousand, seven hundred twenty-four".