767631604 has 12 divisors (see below), whose sum is σ = 1343550628. Its totient is φ = 383760000.

The previous prime is 767631593. The next prime is 767631607. The reversal of 767631604 is 406136767.

It can be written as a sum of positive squares in 2 ways, for example, as 531394704 + 236236900 = 23052^2 + 15370^2 .

It is a super-2 number, since 2×767631604² = 1178516558919225632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (767631607) 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 3 ways as a sum of consecutive naturals, for example, 41404 + ... + 57004.

Almost surely, 2^767631604 is an apocalyptic number.

It is an amenable number.

767631604 is a deficient number, since it is larger than the sum of its proper divisors (575919024).

767631604 is a wasteful number, since it uses less digits than its factorization.

767631604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27906 (or 27904 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 767631604 is about 27706.1654510327. The cubic root of 767631604 is about 915.6249441834.

The spelling of 767631604 in words is "seven hundred sixty-seven million, six hundred thirty-one thousand, six hundred four".