72062978904 has 96 divisors (see below), whose sum is σ = 223401054240. Its totient is φ = 20557209600.

The previous prime is 72062978893. The next prime is 72062978947. The reversal of 72062978904 is 40987926027.

72062978904 is a `hidden beast` number, since 7 + 2 + 0 + 629 + 7 + 8 + 9 + 0 + 4 = 666.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 211534 + ... + 434594.

It is an arithmetic number, because the mean of its divisors is an integer number (2327094315).

Almost surely, 2^72062978904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72062978904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111700527120).

72062978904 is an abundant number, since it is smaller than the sum of its proper divisors (151338075336).

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

72062978904 is a wasteful number, since it uses less digits than its factorization.

72062978904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223721 (or 223714 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 72062978904 in words is "seventy-two billion, sixty-two million, nine hundred seventy-eight thousand, nine hundred four".