72500860 has 12 divisors (see below), whose sum is σ = 152251848. Its totient is φ = 29000336.

The previous prime is 72500839. The next prime is 72500861. The reversal of 72500860 is 6800527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72500861) 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, 1812502 + ... + 1812541.

It is an arithmetic number, because the mean of its divisors is an integer number (12687654).

Almost surely, 2^72500860 is an apocalyptic number.

It is an amenable number.

72500860 is an abundant number, since it is smaller than the sum of its proper divisors (79750988).

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

72500860 is a wasteful number, since it uses less digits than its factorization.

72500860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625052 (or 3625050 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 72500860 is about 8514.7436837523. The cubic root of 72500860 is about 416.9791945024.

The spelling of 72500860 in words is "seventy-two million, five hundred thousand, eight hundred sixty".