72699475192 has 16 divisors (see below), whose sum is σ = 143485806600. Its totient is φ = 34436593440.

The previous prime is 72699475157. The next prime is 72699475201. The reversal of 72699475192 is 29157499627.

It is a self number, because there is not a number n which added to its sum of digits gives 72699475192.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239142859 + ... + 239143162.

Almost surely, 2^72699475192 is an apocalyptic number.

It is an amenable number.

72699475192 is a deficient number, since it is larger than the sum of its proper divisors (70786331408).

72699475192 is a wasteful number, since it uses less digits than its factorization.

72699475192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478286046 (or 478286042 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 61.

The spelling of 72699475192 in words is "seventy-two billion, six hundred ninety-nine million, four hundred seventy-five thousand, one hundred ninety-two".