674318997 has 12 divisors (see below), whose sum is σ = 1062563424. Its totient is φ = 408678120.

The previous prime is 674318989. The next prime is 674318999. The reversal of 674318997 is 799813476.

It is a happy number.

It is not a de Polignac number, because 674318997 - 2³ = 674318989 is a prime.

It is a super-2 number, since 2×674318997² = 909412219430172018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674318999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3405553 + ... + 3405750.

It is an arithmetic number, because the mean of its divisors is an integer number (88546952).

Almost surely, 2^674318997 is an apocalyptic number.

It is an amenable number.

674318997 is a deficient number, since it is larger than the sum of its proper divisors (388244427).

674318997 is a wasteful number, since it uses less digits than its factorization.

674318997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6811320 (or 6811317 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 674318997 is about 25967.6528974030. The cubic root of 674318997 is about 876.9102199994.

The spelling of 674318997 in words is "six hundred seventy-four million, three hundred eighteen thousand, nine hundred ninety-seven".