674312 has 16 divisors (see below), whose sum is σ = 1305600. Its totient is φ = 326160.

The previous prime is 674299. The next prime is 674321. The reversal of 674312 is 213476.

It is an unprimeable number.

674312 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (81600).

2⁶⁷⁴³¹² is an apocalyptic number.

674312 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

674312 is a deficient number, since it is larger than the sum of its proper divisors (631288).

674312 is a wasteful number, since it uses less digits than its factorization.

674312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756 (or 2752 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 674312 is about 821.1650260453. The cubic root of 674312 is about 87.6907186933.

Adding to 674312 its reverse (213476), we get a palindrome (887788).

The spelling of 674312 in words is "six hundred seventy-four thousand, three hundred twelve".