72942886920 has 32 divisors (see below), whose sum is σ = 218828661120. Its totient is φ = 19451436480.

The previous prime is 72942886883. The next prime is 72942886931. The reversal of 72942886920 is 2968824927.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303928576 + ... + 303928815.

It is an arithmetic number, because the mean of its divisors is an integer number (6838395660).

Almost surely, 2^72942886920 is an apocalyptic number.

It is an amenable number.

72942886920 is an abundant number, since it is smaller than the sum of its proper divisors (145885774200).

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

72942886920 is a wasteful number, since it uses less digits than its factorization.

72942886920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607857405 (or 607857401 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 72942886920 in words is "seventy-two billion, nine hundred forty-two million, eight hundred eighty-six thousand, nine hundred twenty".