765920 has 24 divisors (see below), whose sum is σ = 1809864. Its totient is φ = 306304.

The previous prime is 765913. The next prime is 765931. The reversal of 765920 is 29567.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 765920.

It is an unprimeable number.

765920 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2234 + ... + 2553.

It is an arithmetic number, because the mean of its divisors is an integer number (75411).

2⁷⁶⁵⁹²⁰ is an apocalyptic number.

It is an amenable number.

765920 is an abundant number, since it is smaller than the sum of its proper divisors (1043944).

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

765920 is a wasteful number, since it uses less digits than its factorization.

765920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4802 (or 4794 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 765920 is about 875.1685551938. The cubic root of 765920 is about 91.4943908493.

The spelling of 765920 in words is "seven hundred sixty-five thousand, nine hundred twenty".