72712107612 has 36 divisors (see below), whose sum is σ = 184050867000. Its totient is φ = 24204294432.

The previous prime is 72712107541. The next prime is 72712107619. The reversal of 72712107612 is 21670121727.

72712107612 is a `hidden beast` number, since 7 + 27 + 1 + 2 + 10 + 7 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72712107619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1351362 + ... + 1404137.

Almost surely, 2^72712107612 is an apocalyptic number.

It is an amenable number.

72712107612 is an abundant number, since it is smaller than the sum of its proper divisors (111338759388).

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

72712107612 is a wasteful number, since it uses less digits than its factorization.

72712107612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756242 (or 2756237 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The spelling of 72712107612 in words is "seventy-two billion, seven hundred twelve million, one hundred seven thousand, six hundred twelve".