674566529 has 16 divisors (see below), whose sum is σ = 844314240. Its totient is φ = 524672640.

The previous prime is 674566523. The next prime is 674566537. The reversal of 674566529 is 925665476.

It is a cyclic number.

It is not a de Polignac number, because 674566529 - 2¹² = 674562433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (674566523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57452 + ... + 68189.

It is an arithmetic number, because the mean of its divisors is an integer number (52769640).

Almost surely, 2^674566529 is an apocalyptic number.

It is an amenable number.

674566529 is a deficient number, since it is larger than the sum of its proper divisors (169747711).

674566529 is a wasteful number, since it uses less digits than its factorization.

674566529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125720.

The product of its digits is 2721600, while the sum is 50.

The square root of 674566529 is about 25972.4186205290. The cubic root of 674566529 is about 877.0175069001.

The spelling of 674566529 in words is "six hundred seventy-four million, five hundred sixty-six thousand, five hundred twenty-nine".