763476640 has 48 divisors (see below), whose sum is σ = 1806339528. Its totient is φ = 304946176.

The previous prime is 763476631. The next prime is 763476641. The reversal of 763476640 is 46674367.

It can be written as a sum of positive squares in 4 ways, for example, as 171819664 + 591656976 = 13108^2 + 24324^2 .

It is not an unprimeable number, because it can be changed into a prime (763476641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120594 + ... + 126766.

Almost surely, 2^763476640 is an apocalyptic number.

It is an amenable number.

763476640 is an abundant number, since it is smaller than the sum of its proper divisors (1042862888).

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

763476640 is a wasteful number, since it uses less digits than its factorization.

763476640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6961 (or 6953 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 43.

The square root of 763476640 is about 27631.0810501508. The cubic root of 763476640 is about 913.9699517851.

The spelling of 763476640 in words is "seven hundred sixty-three million, four hundred seventy-six thousand, six hundred forty".