674518 has 8 divisors (see below), whose sum is σ = 1089648. Its totient is φ = 311304.

The previous prime is 674501. The next prime is 674533. The reversal of 674518 is 815476.

674518 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 674518.

It is a congruent number.

It is an unprimeable number.

674518 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, 12946 + ... + 12997.

It is an arithmetic number, because the mean of its divisors is an integer number (136206).

2⁶⁷⁴⁵¹⁸ is an apocalyptic number.

674518 is a deficient number, since it is larger than the sum of its proper divisors (415130).

674518 is a wasteful number, since it uses less digits than its factorization.

674518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25958.

The product of its digits is 6720, while the sum is 31.

The square root of 674518 is about 821.2904480146. The cubic root of 674518 is about 87.6996475220.

The spelling of 674518 in words is "six hundred seventy-four thousand, five hundred eighteen".