72955538942 has 128 divisors (see below), whose sum is σ = 140460687360. Its totient is φ = 27930672000.

The previous prime is 72955538927. The next prime is 72955538987. The reversal of 72955538942 is 24983555927.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14475659 + ... + 14480697.

It is an arithmetic number, because the mean of its divisors is an integer number (1097349120).

Almost surely, 2^72955538942 is an apocalyptic number.

72955538942 is a deficient number, since it is larger than the sum of its proper divisors (67505148418).

72955538942 is a wasteful number, since it uses less digits than its factorization.

72955538942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5190.

The product of its digits is 27216000, while the sum is 59.

The spelling of 72955538942 in words is "seventy-two billion, nine hundred fifty-five million, five hundred thirty-eight thousand, nine hundred forty-two".