72389119556 has 48 divisors (see below), whose sum is σ = 138431485248. Its totient is φ = 32922288000.

The previous prime is 72389119519. The next prime is 72389119589. The reversal of 72389119556 is 65591198327.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 1075511 + ... + 1140833.

It is an arithmetic number, because the mean of its divisors is an integer number (2883989276).

Almost surely, 2^72389119556 is an apocalyptic number.

It is an amenable number.

72389119556 is a deficient number, since it is larger than the sum of its proper divisors (66042365692).

72389119556 is a wasteful number, since it uses less digits than its factorization.

72389119556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65652 (or 65650 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 56.

The spelling of 72389119556 in words is "seventy-two billion, three hundred eighty-nine million, one hundred nineteen thousand, five hundred fifty-six".