673718 has 8 divisors (see below), whose sum is σ = 1015680. Its totient is φ = 335160.

The previous prime is 673669. The next prime is 673747. The reversal of 673718 is 817376.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

673718 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 3 ways as a sum of consecutive naturals, for example, 278 + ... + 1193.

It is an arithmetic number, because the mean of its divisors is an integer number (126960).

2⁶⁷³⁷¹⁸ is an apocalyptic number.

673718 is a deficient number, since it is larger than the sum of its proper divisors (341962).

673718 is a wasteful number, since it uses less digits than its factorization.

673718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702.

The product of its digits is 7056, while the sum is 32.

The square root of 673718 is about 820.8032651007. The cubic root of 673718 is about 87.6649622734.

The spelling of 673718 in words is "six hundred seventy-three thousand, seven hundred eighteen".