72190133936 has 20 divisors (see below), whose sum is σ = 139878125352. Its totient is φ = 36092553216.

The previous prime is 72190133923. The next prime is 72190134001. The reversal of 72190133936 is 63933109127.

It is a happy number.

It is a super-2 number, since 2×72190133936² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91760 + ... + 390896.

Almost surely, 2^72190133936 is an apocalyptic number.

It is an amenable number.

72190133936 is a deficient number, since it is larger than the sum of its proper divisors (67687991416).

72190133936 is a wasteful number, since it uses less digits than its factorization.

72190133936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314228 (or 314222 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 44.

The spelling of 72190133936 in words is "seventy-two billion, one hundred ninety million, one hundred thirty-three thousand, nine hundred thirty-six".