673684 has 24 divisors (see below), whose sum is σ = 1312416. Its totient is φ = 300000.

The previous prime is 673669. The next prime is 673747. The reversal of 673684 is 486376.

It is a congruent number.

It is an unprimeable number.

673684 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 7 ways as a sum of consecutive naturals, for example, 2559 + ... + 2809.

It is an arithmetic number, because the mean of its divisors is an integer number (54684).

2⁶⁷³⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

673684 is a deficient number, since it is larger than the sum of its proper divisors (638732).

673684 is a wasteful number, since it uses less digits than its factorization.

673684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 325 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 673684 is about 820.7825534208. The cubic root of 673684 is about 87.6634875422.

The spelling of 673684 in words is "six hundred seventy-three thousand, six hundred eighty-four".