72338583720 has 128 divisors (see below), whose sum is σ = 246009859200. Its totient is φ = 16869233664.

The previous prime is 72338583689. The next prime is 72338583743. The reversal of 72338583720 is 2738583327.

It is a self number, because there is not a number n which added to its sum of digits gives 72338583720.

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, 1190647 + ... + 1249926.

It is an arithmetic number, because the mean of its divisors is an integer number (1921952025).

Almost surely, 2^72338583720 is an apocalyptic number.

It is an amenable number.

72338583720 is an abundant number, since it is smaller than the sum of its proper divisors (173671275480).

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

72338583720 is a wasteful number, since it uses less digits than its factorization.

72338583720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440619 (or 2440615 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 72338583720 in words is "seventy-two billion, three hundred thirty-eight million, five hundred eighty-three thousand, seven hundred twenty".