674964431 has 4 divisors (see below), whose sum is σ = 675067512. Its totient is φ = 674861352.

The previous prime is 674964377. The next prime is 674964467. The reversal of 674964431 is 134469476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674964431 is a prime.

It is a super-2 number, since 2×674964431² = 911153966230307522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674964331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41000 + ... + 55053.

It is an arithmetic number, because the mean of its divisors is an integer number (168766878).

Almost surely, 2^674964431 is an apocalyptic number.

674964431 is a deficient number, since it is larger than the sum of its proper divisors (103081).

674964431 is an equidigital number, since it uses as much as digits as its factorization.

674964431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103080.

The product of its digits is 435456, while the sum is 44.

The square root of 674964431 is about 25980.0775787910. The cubic root of 674964431 is about 877.1899131359.

The spelling of 674964431 in words is "six hundred seventy-four million, nine hundred sixty-four thousand, four hundred thirty-one".