674577225 has 36 divisors (see below), whose sum is σ = 1380852096. Its totient is φ = 308377440.

The previous prime is 674577181. The next prime is 674577227. The reversal of 674577225 is 522775476.

674577225 is a `hidden beast` number, since 6 + 74 + 577 + 2 + 2 + 5 = 666.

It is not a de Polignac number, because 674577225 - 2⁶ = 674577161 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (674577227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 212577 + ... + 215726.

Almost surely, 2^674577225 is an apocalyptic number.

It is an amenable number.

674577225 is an abundant number, since it is smaller than the sum of its proper divisors (706274871).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674577225 is a wasteful number, since it uses less digits than its factorization.

674577225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428326 (or 428318 counting only the distinct ones).

The product of its digits is 823200, while the sum is 45.

The square root of 674577225 is about 25972.6245304551. The cubic root of 674577225 is about 877.0221422371.

The spelling of 674577225 in words is "six hundred seventy-four million, five hundred seventy-seven thousand, two hundred twenty-five".