674418 has 8 divisors (see below), whose sum is σ = 1348848. Its totient is φ = 224804.

The previous prime is 674393. The next prime is 674419. The reversal of 674418 is 814476.

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

674418 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (674419) by changing a digit.

674418 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, 56196 + ... + 56207.

It is an arithmetic number, because the mean of its divisors is an integer number (168606).

2⁶⁷⁴⁴¹⁸ is an apocalyptic number.

674418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674418 is a wasteful number, since it uses less digits than its factorization.

674418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112408.

The product of its digits is 5376, while the sum is 30.

The square root of 674418 is about 821.2295659558. The cubic root of 674418 is about 87.6953133662.

The spelling of 674418 in words is "six hundred seventy-four thousand, four hundred eighteen".