673717 has 8 divisors (see below), whose sum is σ = 745920. Its totient is φ = 603360.

The previous prime is 673669. The next prime is 673747. The reversal of 673717 is 717376.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 673717 - 2¹⁵ = 640949 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673747) 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 in 7 ways as a sum of consecutive naturals, for example, 384 + ... + 1222.

It is an arithmetic number, because the mean of its divisors is an integer number (93240).

2⁶⁷³⁷¹⁷ is an apocalyptic number.

It is an amenable number.

673717 is a deficient number, since it is larger than the sum of its proper divisors (72203).

673717 is a wasteful number, since it uses less digits than its factorization.

673717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923.

The product of its digits is 6174, while the sum is 31.

The square root of 673717 is about 820.8026559411. The cubic root of 673717 is about 87.6649188996.

The spelling of 673717 in words is "six hundred seventy-three thousand, seven hundred seventeen".