72707712201 has 24 divisors (see below), whose sum is σ = 108477947136. Its totient is φ = 46878829920.

The previous prime is 72707712193. The next prime is 72707712223. The reversal of 72707712201 is 10221770727.

It is not a de Polignac number, because 72707712201 - 2³ = 72707712193 is a prime.

It is a super-2 number, since 2×72707712201² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72707712271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 369246 + ... + 530808.

It is an arithmetic number, because the mean of its divisors is an integer number (4519914464).

Almost surely, 2^72707712201 is an apocalyptic number.

It is an amenable number.

72707712201 is a deficient number, since it is larger than the sum of its proper divisors (35770234935).

72707712201 is a wasteful number, since it uses less digits than its factorization.

72707712201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163213 (or 163210 counting only the distinct ones).

The product of its (nonzero) digits is 19208, while the sum is 36.

The spelling of 72707712201 in words is "seventy-two billion, seven hundred seven million, seven hundred twelve thousand, two hundred one".