764744650 has 24 divisors (see below), whose sum is σ = 1427307084. Its totient is φ = 304848000.

The previous prime is 764744639. The next prime is 764744657. The reversal of 764744650 is 56447467.

764744650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 615684969 + 149059681 = 24813^2 + 12209^2 .

It is a junction number, because it is equal to n+sod(n) for n = 764744597 and 764744606.

It is not an unprimeable number, because it can be changed into a prime (764744657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11451 + ... + 40750.

Almost surely, 2^764744650 is an apocalyptic number.

764744650 is a deficient number, since it is larger than the sum of its proper divisors (662562434).

764744650 is a wasteful number, since it uses less digits than its factorization.

764744650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52506 (or 52501 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The square root of 764744650 is about 27654.0168872444. The cubic root of 764744650 is about 914.4756568607.

The spelling of 764744650 in words is "seven hundred sixty-four million, seven hundred forty-four thousand, six hundred fifty".