674289231 has 32 divisors (see below), whose sum is σ = 1132033536. Its totient is φ = 346800000.

The previous prime is 674289227. The next prime is 674289257. The reversal of 674289231 is 132982476.

It is not a de Polignac number, because 674289231 - 2² = 674289227 is a prime.

It is a super-2 number, since 2×674289231² = 909331934085142722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674289211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8881 + ... + 37781.

It is an arithmetic number, because the mean of its divisors is an integer number (35376048).

Almost surely, 2^674289231 is an apocalyptic number.

674289231 is a deficient number, since it is larger than the sum of its proper divisors (457744305).

674289231 is a wasteful number, since it uses less digits than its factorization.

674289231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29023.

The product of its digits is 145152, while the sum is 42.

The square root of 674289231 is about 25967.0797549513. The cubic root of 674289231 is about 876.8973168611.

The spelling of 674289231 in words is "six hundred seventy-four million, two hundred eighty-nine thousand, two hundred thirty-one".