765033660 has 120 divisors (see below), whose sum is σ = 2541203280. Its totient is φ = 192001536.

The previous prime is 765033631. The next prime is 765033673. The reversal of 765033660 is 66330567.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13651 + ... + 41429.

It is an arithmetic number, because the mean of its divisors is an integer number (21176694).

Almost surely, 2^765033660 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 765033660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1270601640).

765033660 is an abundant number, since it is smaller than the sum of its proper divisors (1776169620).

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

765033660 is a wasteful number, since it uses less digits than its factorization.

765033660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27817 (or 27806 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 765033660 is about 27659.2418551196. The cubic root of 765033660 is about 914.5908409826.

The spelling of 765033660 in words is "seven hundred sixty-five million, thirty-three thousand, six hundred sixty".