72825156 has 36 divisors (see below), whose sum is σ = 190906352. Its totient is φ = 24274728.

The previous prime is 72825149. The next prime is 72825191. The reversal of 72825156 is 65152827.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 72825156.

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, 36490 + ... + 38433.

Almost surely, 2^72825156 is an apocalyptic number.

It is an amenable number.

72825156 is an abundant number, since it is smaller than the sum of its proper divisors (118081196).

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

72825156 is a wasteful number, since it uses less digits than its factorization.

72825156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74942 (or 74928 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 72825156 is about 8533.7656400911. The cubic root of 72825156 is about 417.5999851367.

The spelling of 72825156 in words is "seventy-two million, eight hundred twenty-five thousand, one hundred fifty-six".