674818 has 8 divisors (see below), whose sum is σ = 1025280. Its totient is φ = 333060.

The previous prime is 674813. The next prime is 674827. The reversal of 674818 is 818476.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (674813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1978 + ... + 2293.

It is an arithmetic number, because the mean of its divisors is an integer number (128160).

2⁶⁷⁴⁸¹⁸ is an apocalyptic number.

674818 is a deficient number, since it is larger than the sum of its proper divisors (350462).

674818 is a wasteful number, since it uses less digits than its factorization.

674818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352.

The product of its digits is 10752, while the sum is 34.

The square root of 674818 is about 821.4730671178. The cubic root of 674818 is about 87.7126474195.

It can be divided in two parts, 67 and 4818, that multiplied together give a triangular number (322806 = T₈₀₃).

The spelling of 674818 in words is "six hundred seventy-four thousand, eight hundred eighteen".