764057045 has 4 divisors (see below), whose sum is σ = 916868460. Its totient is φ = 611245632.

The previous prime is 764057039. The next prime is 764057059. The reversal of 764057045 is 540750467.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 520478596 + 243578449 = 22814^2 + 15607^2 .

It is a cyclic number.

It is not a de Polignac number, because 764057045 - 2⁴ = 764057029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76405700 + ... + 76405709.

It is an arithmetic number, because the mean of its divisors is an integer number (229217115).

Almost surely, 2^764057045 is an apocalyptic number.

It is an amenable number.

764057045 is a deficient number, since it is larger than the sum of its proper divisors (152811415).

764057045 is a wasteful number, since it uses less digits than its factorization.

764057045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152811414.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 764057045 is about 27641.5818107430. The cubic root of 764057045 is about 914.2014971198.

The spelling of 764057045 in words is "seven hundred sixty-four million, fifty-seven thousand, forty-five".