764317746 has 12 divisors (see below), whose sum is σ = 1656021822. Its totient is φ = 254772576.

The previous prime is 764317721. The next prime is 764317747. The reversal of 764317746 is 647713467.

It can be written as a sum of positive squares in only one way, i.e., 699338025 + 64979721 = 26445^2 + 8061^2 .

It is not an unprimeable number, because it can be changed into a prime (764317747) 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 5 ways as a sum of consecutive naturals, for example, 21231031 + ... + 21231066.

Almost surely, 2^764317746 is an apocalyptic number.

764317746 is an abundant number, since it is smaller than the sum of its proper divisors (891704076).

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

764317746 is a wasteful number, since it uses less digits than its factorization.

764317746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42462105 (or 42462102 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 764317746 is about 27646.2971480812. The cubic root of 764317746 is about 914.3054623687.

The spelling of 764317746 in words is "seven hundred sixty-four million, three hundred seventeen thousand, seven hundred forty-six".