674457 has 8 divisors (see below), whose sum is σ = 1027776. Its totient is φ = 385392.

The previous prime is 674449. The next prime is 674461. The reversal of 674457 is 754476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 674457 - 2³ = 674449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16038 + ... + 16079.

It is an arithmetic number, because the mean of its divisors is an integer number (128472).

2⁶⁷⁴⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

674457 is a deficient number, since it is larger than the sum of its proper divisors (353319).

674457 is a wasteful number, since it uses less digits than its factorization.

674457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32127.

The product of its digits is 23520, while the sum is 33.

The square root of 674457 is about 821.2533104956. The cubic root of 674457 is about 87.6970037379.

The spelling of 674457 in words is "six hundred seventy-four thousand, four hundred fifty-seven".