764739012 has 24 divisors (see below), whose sum is σ = 1809525312. Its totient is φ = 251322400.

The previous prime is 764738987. The next prime is 764739013. The reversal of 764739012 is 210937467.

It is a super-2 number, since 2×764739012² = 1169651512949472288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (764739013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447939 + ... + 449642.

It is an arithmetic number, because the mean of its divisors is an integer number (75396888).

Almost surely, 2^764739012 is an apocalyptic number.

It is an amenable number.

764739012 is an abundant number, since it is smaller than the sum of its proper divisors (1044786300).

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

764739012 is a wasteful number, since it uses less digits than its factorization.

764739012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897659 (or 897657 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 764739012 is about 27653.9149488820. The cubic root of 764739012 is about 914.4734095631.

The spelling of 764739012 in words is "seven hundred sixty-four million, seven hundred thirty-nine thousand, twelve".