72120574550152 has 16 divisors (see below), whose sum is σ = 135226168358400. Its totient is φ = 36060262987920.

The previous prime is 72120574550147. The next prime is 72120574550159. The reversal of 72120574550152 is 25105547502127.

It is not an unprimeable number, because it can be changed into a prime (72120574550159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18952849 + ... + 22437727.

It is an arithmetic number, because the mean of its divisors is an integer number (8451635522400).

Almost surely, 2^{72120574550152} is an apocalyptic number.

It is an amenable number.

72120574550152 is a deficient number, since it is larger than the sum of its proper divisors (63105593808248).

72120574550152 is a wasteful number, since it uses less digits than its factorization.

72120574550152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6071796 (or 6071792 counting only the distinct ones).

The product of its (nonzero) digits is 980000, while the sum is 46.

The spelling of 72120574550152 in words is "seventy-two trillion, one hundred twenty billion, five hundred seventy-four million, five hundred fifty thousand, one hundred fifty-two".