674944 has 16 divisors (see below), whose sum is σ = 1344870. Its totient is φ = 337408.

The previous prime is 674941. The next prime is 674953. The reversal of 674944 is 449476.

It can be written as a sum of positive squares in only one way, i.e., 577600 + 97344 = 760^2 + 312^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (674941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2509 + ... + 2764.

2⁶⁷⁴⁹⁴⁴ is an apocalyptic number.

674944 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

674944 is a deficient number, since it is larger than the sum of its proper divisors (669926).

674944 is an equidigital number, since it uses as much as digits as its factorization.

674944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287 (or 5275 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 674944 is about 821.5497550362. The cubic root of 674944 is about 87.7181062275.

The spelling of 674944 in words is "six hundred seventy-four thousand, nine hundred forty-four".