674307764 has 24 divisors (see below), whose sum is σ = 1294793640. Its totient is φ = 305345664.

The previous prime is 674307763. The next prime is 674307773. The reversal of 674307764 is 467703476.

It can be written as a sum of positive squares in 4 ways, for example, as 112996900 + 561310864 = 10630^2 + 23692^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674307761) 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 7 ways as a sum of consecutive naturals, for example, 119579 + ... + 125090.

It is an arithmetic number, because the mean of its divisors is an integer number (53949735).

Almost surely, 2^674307764 is an apocalyptic number.

It is an amenable number.

674307764 is a deficient number, since it is larger than the sum of its proper divisors (620485876).

674307764 is a wasteful number, since it uses less digits than its factorization.

674307764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244739 (or 244737 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 44.

The square root of 674307764 is about 25967.4366081829. The cubic root of 674307764 is about 876.9053506980.

The spelling of 674307764 in words is "six hundred seventy-four million, three hundred seven thousand, seven hundred sixty-four".