674909325 has 18 divisors (see below), whose sum is σ = 1208837994. Its totient is φ = 359951520.

The previous prime is 674909303. The next prime is 674909327. The reversal of 674909325 is 523909476.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3218436 + 671690889 = 1794^2 + 25917^2 .

It is not a de Polignac number, because 674909325 - 2⁵ = 674909293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674909327) 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 17 ways as a sum of consecutive naturals, for example, 1499574 + ... + 1500023.

Almost surely, 2^674909325 is an apocalyptic number.

It is an amenable number.

674909325 is a deficient number, since it is larger than the sum of its proper divisors (533928669).

674909325 is a wasteful number, since it uses less digits than its factorization.

674909325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999613 (or 2999605 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 674909325 is about 25979.0170137363. The cubic root of 674909325 is about 877.1660403999.

The spelling of 674909325 in words is "six hundred seventy-four million, nine hundred nine thousand, three hundred twenty-five".