72664260 has 48 divisors (see below), whose sum is σ = 204614592. Its totient is φ = 19267200.

The previous prime is 72664213. The next prime is 72664261. The reversal of 72664260 is 6246627.

It is not an unprimeable number, because it can be changed into a prime (72664261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7515 + ... + 14205.

It is an arithmetic number, because the mean of its divisors is an integer number (4262804).

Almost surely, 2^72664260 is an apocalyptic number.

It is an amenable number.

72664260 is an abundant number, since it is smaller than the sum of its proper divisors (131950332).

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

72664260 is a wasteful number, since it uses less digits than its factorization.

72664260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6884 (or 6882 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 72664260 is about 8524.3334050235. Note that the first 3 decimals coincide. The cubic root of 72664260 is about 417.2922173550.

The spelling of 72664260 in words is "seventy-two million, six hundred sixty-four thousand, two hundred sixty".