659625472 has 80 divisors (see below), whose sum is σ = 1448224272. Its totient is φ = 297656320.

The previous prime is 659625433. The next prime is 659625497. The reversal of 659625472 is 274526956.

It is a super-2 number, since 2×659625472² = 870211526622445568, which contains 22 as substring.

It is a congruent number.

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, 973998 + ... + 974674.

Almost surely, 2^659625472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 659625472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724112136).

659625472 is an abundant number, since it is smaller than the sum of its proper divisors (788598800).

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

659625472 is a wasteful number, since it uses less digits than its factorization.

659625472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 863 counting only the distinct ones).

The product of its digits is 907200, while the sum is 46.

The square root of 659625472 is about 25683.1748816224. The cubic root of 659625472 is about 870.4940480123.

The spelling of 659625472 in words is "six hundred fifty-nine million, six hundred twenty-five thousand, four hundred seventy-two".