763431312 has 40 divisors (see below), whose sum is σ = 2253941056. Its totient is φ = 218123136.

The previous prime is 763431307. The next prime is 763431337. The reversal of 763431312 is 213134367.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 763431312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135723 + ... + 1136394.

Almost surely, 2^763431312 is an apocalyptic number.

It is an amenable number.

763431312 is an abundant number, since it is smaller than the sum of its proper divisors (1490509744).

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

763431312 is a wasteful number, since it uses less digits than its factorization.

763431312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272135 (or 2272129 counting only the distinct ones).

The product of its digits is 9072, while the sum is 30.

The square root of 763431312 is about 27630.2608022436. The cubic root of 763431312 is about 913.9518638054.

Adding to 763431312 its reverse (213134367), we get a palindrome (976565679).

The spelling of 763431312 in words is "seven hundred sixty-three million, four hundred thirty-one thousand, three hundred twelve".