765828140 has 48 divisors (see below), whose sum is σ = 2005081344. Its totient is φ = 238699200.

The previous prime is 765828139. The next prime is 765828149. The reversal of 765828140 is 41828567.

765828140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (765828149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247106 + ... + 250185.

It is an arithmetic number, because the mean of its divisors is an integer number (41772528).

Almost surely, 2^765828140 is an apocalyptic number.

765828140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

765828140 is an abundant number, since it is smaller than the sum of its proper divisors (1239253204).

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

765828140 is a wasteful number, since it uses less digits than its factorization.

765828140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497318 (or 497316 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The square root of 765828140 is about 27673.6000549260. The cubic root of 765828140 is about 914.9073293428.

The spelling of 765828140 in words is "seven hundred sixty-five million, eight hundred twenty-eight thousand, one hundred forty".