774564313 has 8 divisors (see below), whose sum is σ = 790145928. Its totient is φ = 759018624.

The previous prime is 774564311. The next prime is 774564361. The reversal of 774564313 is 313465477.

It can be written as a sum of positive squares in 4 ways, for example, as 317801929 + 456762384 = 17827^2 + 21372^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 774564313 - 2¹ = 774564311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (774564311) 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, 36895 + ... + 53947.

It is an arithmetic number, because the mean of its divisors is an integer number (98768241).

Almost surely, 2^774564313 is an apocalyptic number.

It is an amenable number.

774564313 is a deficient number, since it is larger than the sum of its proper divisors (15581615).

774564313 is a wasteful number, since it uses less digits than its factorization.

774564313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17963.

The product of its digits is 211680, while the sum is 40.

The square root of 774564313 is about 27830.9955445363. The cubic root of 774564313 is about 918.3731144683.

The spelling of 774564313 in words is "seven hundred seventy-four million, five hundred sixty-four thousand, three hundred thirteen".