72237572372 has 24 divisors (see below), whose sum is σ = 144835454400. Its totient is φ = 30881750400.

The previous prime is 72237572353. The next prime is 72237572383. The reversal of 72237572372 is 27327573227.

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, 3205622 + ... + 3228077.

It is an arithmetic number, because the mean of its divisors is an integer number (6034810600).

Almost surely, 2^72237572372 is an apocalyptic number.

It is an amenable number.

72237572372 is an abundant number, since it is smaller than the sum of its proper divisors (72597882028).

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

72237572372 is a wasteful number, since it uses less digits than its factorization.

72237572372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6434111 (or 6434109 counting only the distinct ones).

The product of its digits is 1728720, while the sum is 47.

The spelling of 72237572372 in words is "seventy-two billion, two hundred thirty-seven million, five hundred seventy-two thousand, three hundred seventy-two".