765073620 has 48 divisors (see below), whose sum is σ = 2380230720. Its totient is φ = 204019488.

The previous prime is 765073577. The next prime is 765073669. The reversal of 765073620 is 26370567.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 707862 + ... + 708941.

It is an arithmetic number, because the mean of its divisors is an integer number (49588140).

Almost surely, 2^765073620 is an apocalyptic number.

It is an amenable number.

765073620 is an abundant number, since it is smaller than the sum of its proper divisors (1615157100).

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

765073620 is a wasteful number, since it uses less digits than its factorization.

765073620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416821 (or 1416813 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 765073620 is about 27659.9642082198. The cubic root of 765073620 is about 914.6067646452.

It can be divided in two parts, 7650736 and 20, that added together give a square (7650756 = 2766²).

The spelling of 765073620 in words is "seven hundred sixty-five million, seventy-three thousand, six hundred twenty".