674644627 has 16 divisors (see below), whose sum is σ = 715889664. Its totient is φ = 634984000.

The previous prime is 674644601. The next prime is 674644631. The reversal of 674644627 is 726446476.

It is a cyclic number.

It is not a de Polignac number, because 674644627 - 2⁷ = 674644499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674644637) 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, 134352 + ... + 139282.

It is an arithmetic number, because the mean of its divisors is an integer number (44743104).

Almost surely, 2^674644627 is an apocalyptic number.

674644627 is a deficient number, since it is larger than the sum of its proper divisors (41245037).

674644627 is a wasteful number, since it uses less digits than its factorization.

674644627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5090.

The product of its digits is 1354752, while the sum is 46.

The square root of 674644627 is about 25973.9220565551. The cubic root of 674644627 is about 877.0513511873.

The spelling of 674644627 in words is "six hundred seventy-four million, six hundred forty-four thousand, six hundred twenty-seven".