763210664 has 16 divisors (see below), whose sum is σ = 1431347220. Its totient is φ = 381518080.

The previous prime is 763210583. The next prime is 763210667. The reversal of 763210664 is 466012367.

It can be written as a sum of positive squares in 2 ways, for example, as 736688164 + 26522500 = 27142^2 + 5150^2 .

It is a super-3 number, since 3×763210664³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (763210667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40544 + ... + 56304.

Almost surely, 2^763210664 is an apocalyptic number.

It is an amenable number.

763210664 is a deficient number, since it is larger than the sum of its proper divisors (668136556).

763210664 is a wasteful number, since it uses less digits than its factorization.

763210664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21820 (or 21816 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 763210664 is about 27626.2676451235. The cubic root of 763210664 is about 913.8638047668.

The spelling of 763210664 in words is "seven hundred sixty-three million, two hundred ten thousand, six hundred sixty-four".