674558 has 4 divisors (see below), whose sum is σ = 1011840. Its totient is φ = 337278.

The previous prime is 674551. The next prime is 674563. The reversal of 674558 is 855476.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674551) by changing a digit.

674558 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 as a sum of consecutive naturals, namely, 168638 + ... + 168641.

It is an arithmetic number, because the mean of its divisors is an integer number (252960).

2⁶⁷⁴⁵⁵⁸ is an apocalyptic number.

674558 is a deficient number, since it is larger than the sum of its proper divisors (337282).

674558 is a wasteful number, since it uses less digits than its factorization.

674558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337281.

The product of its digits is 33600, while the sum is 35.

The square root of 674558 is about 821.3147995744. The cubic root of 674558 is about 87.7013810643.

The spelling of 674558 in words is "six hundred seventy-four thousand, five hundred fifty-eight".