72686458492 has 12 divisors (see below), whose sum is σ = 132731793936. Its totient is φ = 34763088800.

The previous prime is 72686458483. The next prime is 72686458499. The reversal of 72686458492 is 29485468627.

It is a self number, because there is not a number n which added to its sum of digits gives 72686458492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72686458499) 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, 395035009 + ... + 395035192.

It is an arithmetic number, because the mean of its divisors is an integer number (11060982828).

Almost surely, 2^72686458492 is an apocalyptic number.

It is an amenable number.

72686458492 is a deficient number, since it is larger than the sum of its proper divisors (60045335444).

72686458492 is a wasteful number, since it uses less digits than its factorization.

72686458492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790070228 (or 790070226 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 61.

The spelling of 72686458492 in words is "seventy-two billion, six hundred eighty-six million, four hundred fifty-eight thousand, four hundred ninety-two".