332865720 has 128 divisors (see below), whose sum is σ = 1210464000. Its totient is φ = 80691840.

The previous prime is 332865713. The next prime is 332865721. The reversal of 332865720 is 27568233.

332865720 is a `hidden beast` number, since 3 + 3 + 2 + 86 + 572 + 0 = 666.

It is a super-2 number, since 2×332865720² = 221599175102236800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332865721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2130 + ... + 25889.

It is an arithmetic number, because the mean of its divisors is an integer number (9456750).

Almost surely, 2^332865720 is an apocalyptic number.

332865720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 332865720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (605232000).

332865720 is an abundant number, since it is smaller than the sum of its proper divisors (877598280).

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

332865720 is a wasteful number, since it uses less digits than its factorization.

332865720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28050 (or 28040 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 332865720 is about 18244.6079705759. The cubic root of 332865720 is about 693.0368976437.

The spelling of 332865720 in words is "three hundred thirty-two million, eight hundred sixty-five thousand, seven hundred twenty".