71852971944 has 32 divisors (see below), whose sum is σ = 193450309920. Its totient is φ = 22108606656.

The previous prime is 71852971913. The next prime is 71852972027. The reversal of 71852971944 is 44917925817.

It is a super-2 number, since 2×71852971944² (a number of 23 digits) contains 22 as substring.

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, 115148682 + ... + 115149305.

It is an arithmetic number, because the mean of its divisors is an integer number (6045322185).

Almost surely, 2^71852971944 is an apocalyptic number.

It is an amenable number.

71852971944 is an abundant number, since it is smaller than the sum of its proper divisors (121597337976).

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

71852971944 is a wasteful number, since it uses less digits than its factorization.

71852971944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230298009 (or 230298005 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 57.

The spelling of 71852971944 in words is "seventy-one billion, eight hundred fifty-two million, nine hundred seventy-one thousand, nine hundred forty-four".