72646164775124 has 12 divisors (see below), whose sum is σ = 127144754232384. Its totient is φ = 36319092137304.

The previous prime is 72646164775123. The next prime is 72646164775133. The reversal of 72646164775124 is 42157746164627.

It is a happy number.

It is a super-3 number, since 3×72646164775124³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72646164775123) 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, 997521602 + ... + 997594425.

It is an arithmetic number, because the mean of its divisors is an integer number (10595396186032).

Almost surely, 2^{72646164775124} is an apocalyptic number.

It is an amenable number.

72646164775124 is a deficient number, since it is larger than the sum of its proper divisors (54498589457260).

72646164775124 is a wasteful number, since it uses less digits than its factorization.

72646164775124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995125134 (or 1995125132 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 62.

The spelling of 72646164775124 in words is "seventy-two trillion, six hundred forty-six billion, one hundred sixty-four million, seven hundred seventy-five thousand, one hundred twenty-four".