72875240 has 32 divisors (see below), whose sum is σ = 164242080. Its totient is φ = 29101632.

The previous prime is 72875221. The next prime is 72875251. The reversal of 72875240 is 4257827.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 72875240.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31979 + ... + 34181.

It is an arithmetic number, because the mean of its divisors is an integer number (5132565).

Almost surely, 2^72875240 is an apocalyptic number.

It is an amenable number.

72875240 is an abundant number, since it is smaller than the sum of its proper divisors (91366840).

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

72875240 is a wasteful number, since it uses less digits than its factorization.

72875240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041 (or 3037 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 72875240 is about 8536.6995964483. The cubic root of 72875240 is about 417.6956951267.

The spelling of 72875240 in words is "seventy-two million, eight hundred seventy-five thousand, two hundred forty".