72615474952 has 16 divisors (see below), whose sum is σ = 136369800000. Its totient is φ = 36250194960.

The previous prime is 72615474941. The next prime is 72615474979. The reversal of 72615474952 is 25947451627.

It is a self number, because there is not a number n which added to its sum of digits gives 72615474952.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7187452 + ... + 7197547.

It is an arithmetic number, because the mean of its divisors is an integer number (8523112500).

Almost surely, 2^72615474952 is an apocalyptic number.

It is an amenable number.

72615474952 is a deficient number, since it is larger than the sum of its proper divisors (63754325048).

72615474952 is a wasteful number, since it uses less digits than its factorization.

72615474952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14385636 (or 14385632 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 52.

The spelling of 72615474952 in words is "seventy-two billion, six hundred fifteen million, four hundred seventy-four thousand, nine hundred fifty-two".