765940630 has 64 divisors (see below), whose sum is σ = 1728978048. Its totient is φ = 237818880.

The previous prime is 765940619. The next prime is 765940691. The reversal of 765940630 is 36049567.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40290 + ... + 56170.

It is an arithmetic number, because the mean of its divisors is an integer number (27015282).

Almost surely, 2^765940630 is an apocalyptic number.

765940630 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

765940630 is an abundant number, since it is smaller than the sum of its proper divisors (963037418).

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

765940630 is a wasteful number, since it uses less digits than its factorization.

765940630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15961.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 765940630 is about 27675.6324227650. The cubic root of 765940630 is about 914.9521230685.

The spelling of 765940630 in words is "seven hundred sixty-five million, nine hundred forty thousand, six hundred thirty".