674456 has 8 divisors (see below), whose sum is σ = 1264620. Its totient is φ = 337224.

The previous prime is 674449. The next prime is 674461. The reversal of 674456 is 654476.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42146 + ... + 42161.

2⁶⁷⁴⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

674456 is a deficient number, since it is larger than the sum of its proper divisors (590164).

674456 is a wasteful number, since it uses less digits than its factorization.

674456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84313 (or 84309 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 674456 is about 821.2527016698. The cubic root of 674456 is about 87.6969603959.

The spelling of 674456 in words is "six hundred seventy-four thousand, four hundred fifty-six".