72525183876 has 36 divisors (see below), whose sum is σ = 185217531772. Its totient is φ = 23925832704.

The previous prime is 72525183853. The next prime is 72525184003. The reversal of 72525183876 is 67838152527.

72525183876 is a `hidden beast` number, since 7 + 2 + 5 + 251 + 8 + 387 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 59941728900 + 12583454976 = 244830^2 + 112176^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×72525183876² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10380985 + ... + 10387968.

Almost surely, 2^72525183876 is an apocalyptic number.

It is an amenable number.

72525183876 is an abundant number, since it is smaller than the sum of its proper divisors (112692347896).

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

72525183876 is a wasteful number, since it uses less digits than its factorization.

72525183876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20769060 (or 20769055 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The spelling of 72525183876 in words is "seventy-two billion, five hundred twenty-five million, one hundred eighty-three thousand, eight hundred seventy-six".