72615861200 has 60 divisors (see below), whose sum is σ = 174493275168. Its totient is φ = 29040739200.

The previous prime is 72615861163. The next prime is 72615861229. The reversal of 72615861200 is 216851627.

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 11 ways as a sum of consecutive naturals, for example, 2514845 + ... + 2543555.

Almost surely, 2^72615861200 is an apocalyptic number.

It is an amenable number.

72615861200 is an abundant number, since it is smaller than the sum of its proper divisors (101877413968).

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

72615861200 is a wasteful number, since it uses less digits than its factorization.

72615861200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35052 (or 35041 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 72615861200 in words is "seventy-two billion, six hundred fifteen million, eight hundred sixty-one thousand, two hundred".