673917 has 8 divisors (see below), whose sum is σ = 920640. Its totient is φ = 438240.

The previous prime is 673891. The next prime is 673921. The reversal of 673917 is 719376.

673917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 673917 - 2¹⁹ = 149629 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 6⁵ + 7⁵ + 9⁶ + 3⁵ + 1 + 7⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2617 + ... + 2862.

It is an arithmetic number, because the mean of its divisors is an integer number (115080).

2⁶⁷³⁹¹⁷ is an apocalyptic number.

It is an amenable number.

673917 is a deficient number, since it is larger than the sum of its proper divisors (246723).

673917 is a wasteful number, since it uses less digits than its factorization.

673917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5523.

The product of its digits is 7938, while the sum is 33.

The square root of 673917 is about 820.9244788651. The cubic root of 673917 is about 87.6735927934.

The spelling of 673917 in words is "six hundred seventy-three thousand, nine hundred seventeen".