673673 has 16 divisors (see below), whose sum is σ = 905856. Its totient is φ = 483840.

The previous prime is 673669. The next prime is 673747. The reversal of 673673 is 376376.

It is a happy number.

It is not a de Polignac number, because 673673 - 2² = 673669 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665 + ... + 1337.

It is an arithmetic number, because the mean of its divisors is an integer number (56616).

2⁶⁷³⁶⁷³ is an apocalyptic number.

It is an amenable number.

673673 is a deficient number, since it is larger than the sum of its proper divisors (232183).

673673 is a wasteful number, since it uses less digits than its factorization.

673673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704.

The product of its digits is 15876, while the sum is 32.

The square root of 673673 is about 820.7758524713. The cubic root of 673673 is about 87.6630104126.

The spelling of 673673 in words is "six hundred seventy-three thousand, six hundred seventy-three".