72331038572 has 48 divisors (see below), whose sum is σ = 142291107840. Its totient is φ = 31921293888.

The previous prime is 72331038569. The next prime is 72331038629. The reversal of 72331038572 is 27583013327.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4276829 + ... + 4293707.

It is an arithmetic number, because the mean of its divisors is an integer number (2964398080).

Almost surely, 2^72331038572 is an apocalyptic number.

It is an amenable number.

72331038572 is a deficient number, since it is larger than the sum of its proper divisors (69960069268).

72331038572 is a wasteful number, since it uses less digits than its factorization.

72331038572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20502 (or 20500 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 72331038572 in words is "seventy-two billion, three hundred thirty-one million, thirty-eight thousand, five hundred seventy-two".