72881518919372 has 48 divisors (see below), whose sum is σ = 129258282753600. Its totient is φ = 35953241748480.

The previous prime is 72881518919357. The next prime is 72881518919399. The reversal of 72881518919372 is 27391981518827.

It is a junction number, because it is equal to n+sod(n) for n = 72881518919296 and 72881518919305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 853081154 + ... + 853166582.

It is an arithmetic number, because the mean of its divisors is an integer number (2692880890700).

Almost surely, 2^{72881518919372} is an apocalyptic number.

It is an amenable number.

72881518919372 is a deficient number, since it is larger than the sum of its proper divisors (56376763834228).

72881518919372 is a wasteful number, since it uses less digits than its factorization.

72881518919372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93186 (or 93184 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 71.

The spelling of 72881518919372 in words is "seventy-two trillion, eight hundred eighty-one billion, five hundred eighteen million, nine hundred nineteen thousand, three hundred seventy-two".