674678 has 4 divisors (see below), whose sum is σ = 1012020. Its totient is φ = 337338.

The previous prime is 674677. The next prime is 674683. The reversal of 674678 is 876476.

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

It is a Curzon number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168668 + ... + 168671.

It is an arithmetic number, because the mean of its divisors is an integer number (253005).

2⁶⁷⁴⁶⁷⁸ is an apocalyptic number.

674678 is a deficient number, since it is larger than the sum of its proper divisors (337342).

674678 is a wasteful number, since it uses less digits than its factorization.

674678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337341.

The product of its digits is 56448, while the sum is 38.

The square root of 674678 is about 821.3878499223. The cubic root of 674678 is about 87.7065812802.

The spelling of 674678 in words is "six hundred seventy-four thousand, six hundred seventy-eight".