765738812 has 12 divisors (see below), whose sum is σ = 1383270336. Its totient is φ = 370518720.

The previous prime is 765738811. The next prime is 765738929. The reversal of 765738812 is 218837567.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (765738811) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3087533 + ... + 3087780.

It is an arithmetic number, because the mean of its divisors is an integer number (115272528).

Almost surely, 2^765738812 is an apocalyptic number.

It is an amenable number.

765738812 is a deficient number, since it is larger than the sum of its proper divisors (617531524).

765738812 is a wasteful number, since it uses less digits than its factorization.

765738812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6175348 (or 6175346 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The square root of 765738812 is about 27671.9860508782. The cubic root of 765738812 is about 914.8717556436.

The spelling of 765738812 in words is "seven hundred sixty-five million, seven hundred thirty-eight thousand, eight hundred twelve".