673443 has 6 divisors (see below), whose sum is σ = 972764. Its totient is φ = 448956.

The previous prime is 673441. The next prime is 673447. The reversal of 673443 is 344376.

It is not a de Polignac number, because 673443 - 2¹ = 673441 is a prime.

It is a Duffinian number.

673443 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (673441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37405 + ... + 37422.

2⁶⁷³⁴⁴³ is an apocalyptic number.

673443 is a deficient number, since it is larger than the sum of its proper divisors (299321).

673443 is a wasteful number, since it uses less digits than its factorization.

673443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74833 (or 74830 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 673443 is about 820.6357291759. The cubic root of 673443 is about 87.6530328778.

The spelling of 673443 in words is "six hundred seventy-three thousand, four hundred forty-three".