674593631 has 2 divisors, whose sum is σ = 674593632. Its totient is φ = 674593630.

The previous prime is 674593607. The next prime is 674593639. The reversal of 674593631 is 136395476.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 674593631 - 2²⁶ = 607484767 is a prime.

It is a super-2 number, since 2×674593631² = 910153133971528322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674593639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337296815 + 337296816.

It is an arithmetic number, because the mean of its divisors is an integer number (337296816).

Almost surely, 2^674593631 is an apocalyptic number.

674593631 is a deficient number, since it is larger than the sum of its proper divisors (1).

674593631 is an equidigital number, since it uses as much as digits as its factorization.

674593631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 44.

The square root of 674593631 is about 25972.9403610758. The cubic root of 674593631 is about 877.0292520278.

The spelling of 674593631 in words is "six hundred seventy-four million, five hundred ninety-three thousand, six hundred thirty-one".