673042 has 4 divisors (see below), whose sum is σ = 1009566. Its totient is φ = 336520.

The previous prime is 673039. The next prime is 673063. The reversal of 673042 is 240376.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 349281 + 323761 = 591^2 + 569^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168259 + ... + 168262.

2⁶⁷³⁰⁴² is an apocalyptic number.

673042 is a deficient number, since it is larger than the sum of its proper divisors (336524).

673042 is a wasteful number, since it uses less digits than its factorization.

673042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336523.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 673042 is about 820.3913700180. The cubic root of 673042 is about 87.6356318283.

The spelling of 673042 in words is "six hundred seventy-three thousand, forty-two".