674557725 has 12 divisors (see below), whose sum is σ = 1115268896. Its totient is φ = 359764080.

The previous prime is 674557721. The next prime is 674557757. The reversal of 674557725 is 527755476.

It is not a de Polignac number, because 674557725 - 2² = 674557721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674557721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4496977 + ... + 4497126.

Almost surely, 2^674557725 is an apocalyptic number.

It is an amenable number.

674557725 is a deficient number, since it is larger than the sum of its proper divisors (440711171).

674557725 is a wasteful number, since it uses less digits than its factorization.

674557725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8994116 (or 8994111 counting only the distinct ones).

The product of its digits is 2058000, while the sum is 48.

The square root of 674557725 is about 25972.2491324875. The cubic root of 674557725 is about 877.0136914643.

The spelling of 674557725 in words is "six hundred seventy-four million, five hundred fifty-seven thousand, seven hundred twenty-five".