72183180924 has 18 divisors (see below), whose sum is σ = 182463040760. Its totient is φ = 24061060296.

The previous prime is 72183180919. The next prime is 72183180931. The reversal of 72183180924 is 42908138127.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 72183180924.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1002544144 + ... + 1002544215.

Almost surely, 2^72183180924 is an apocalyptic number.

It is an amenable number.

72183180924 is an abundant number, since it is smaller than the sum of its proper divisors (110279859836).

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

72183180924 is a wasteful number, since it uses less digits than its factorization.

72183180924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005088369 (or 2005088364 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 72183180924 in words is "seventy-two billion, one hundred eighty-three million, one hundred eighty thousand, nine hundred twenty-four".