72830941972 has 12 divisors (see below), whose sum is σ = 128691568096. Its totient is φ = 36061922520.

The previous prime is 72830941933. The next prime is 72830941979. The reversal of 72830941972 is 27914903827.

It is a super-2 number, since 2×72830941972² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72830941979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88386654 + ... + 88387477.

Almost surely, 2^72830941972 is an apocalyptic number.

It is an amenable number.

72830941972 is a deficient number, since it is larger than the sum of its proper divisors (55860626124).

72830941972 is a wasteful number, since it uses less digits than its factorization.

72830941972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176774238 (or 176774236 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 72830941972 in words is "seventy-two billion, eight hundred thirty million, nine hundred forty-one thousand, nine hundred seventy-two".