765223652 has 48 divisors (see below), whose sum is σ = 1437755760. Its totient is φ = 355110912.

The previous prime is 765223649. The next prime is 765223663. The reversal of 765223652 is 256322567.

It is a happy number.

765223652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2027776 + 763195876 = 1424^2 + 27626^2 .

Its product of digits (151200) is a multiple of the sum of its prime factors (720).

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, 2444648 + ... + 2444960.

It is an arithmetic number, because the mean of its divisors is an integer number (29953245).

Almost surely, 2^765223652 is an apocalyptic number.

It is an amenable number.

765223652 is a deficient number, since it is larger than the sum of its proper divisors (672532108).

765223652 is a wasteful number, since it uses less digits than its factorization.

765223652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 718 counting only the distinct ones).

The product of its digits is 151200, while the sum is 38.

The square root of 765223652 is about 27662.6761539805. The cubic root of 765223652 is about 914.6665459568. Note that the first 3 decimals are identical.

The spelling of 765223652 in words is "seven hundred sixty-five million, two hundred twenty-three thousand, six hundred fifty-two".