72563316940 has 12 divisors (see below), whose sum is σ = 152382965616. Its totient is φ = 29025326768.

The previous prime is 72563316937. The next prime is 72563316971. The reversal of 72563316940 is 4961336527.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1814082904 + ... + 1814082943.

It is an arithmetic number, because the mean of its divisors is an integer number (12698580468).

Almost surely, 2^72563316940 is an apocalyptic number.

It is an amenable number.

72563316940 is an abundant number, since it is smaller than the sum of its proper divisors (79819648676).

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

72563316940 is a wasteful number, since it uses less digits than its factorization.

72563316940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628165856 (or 3628165854 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 72563316940 in words is "seventy-two billion, five hundred sixty-three million, three hundred sixteen thousand, nine hundred forty".