674494624 has 12 divisors (see below), whose sum is σ = 1327911354. Its totient is φ = 337247296.

The previous prime is 674494609. The next prime is 674494631. The reversal of 674494624 is 426494476.

It can be written as a sum of positive squares in only one way, i.e., 341067024 + 333427600 = 18468^2 + 18260^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10538947 + ... + 10539010.

Almost surely, 2^674494624 is an apocalyptic number.

It is an amenable number.

674494624 is a deficient number, since it is larger than the sum of its proper divisors (653416730).

674494624 is a wasteful number, since it uses less digits than its factorization.

674494624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21077967 (or 21077959 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 46.

The square root of 674494624 is about 25971.0343267264. The cubic root of 674494624 is about 876.9863440807.

The spelling of 674494624 in words is "six hundred seventy-four million, four hundred ninety-four thousand, six hundred twenty-four".