765624402 has 48 divisors (see below), whose sum is σ = 1674555480. Its totient is φ = 252806400.

The previous prime is 765624401. The next prime is 765624403. The reversal of 765624402 is 204426567.

It is an interprime number because it is at equal distance from previous prime (765624401) and next prime (765624403).

It can be written as a sum of positive squares in 4 ways, for example, as 755645121 + 9979281 = 27489^2 + 3159^2 .

It is not an unprimeable number, because it can be changed into a prime (765624401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1157952 + ... + 1158612.

Almost surely, 2^765624402 is an apocalyptic number.

765624402 is an abundant number, since it is smaller than the sum of its proper divisors (908931078).

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

765624402 is a wasteful number, since it uses less digits than its factorization.

765624402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179 (or 1176 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 765624402 is about 27669.9187205167. The cubic root of 765624402 is about 914.8261893272.

The spelling of 765624402 in words is "seven hundred sixty-five million, six hundred twenty-four thousand, four hundred two".