6673 has 2 divisors, whose sum is σ = 6674. Its totient is φ = 6672.

The previous prime is 6661. The next prime is 6679. The reversal of 6673 is 3766.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3969 + 2704 = 63^2 + 52^2 .

6673 is a truncatable prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6673 is a prime.

It is not a weakly prime, because it can be changed into another prime (6679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3336 + 3337.

It is an arithmetic number, because the mean of its divisors is an integer number (3337).

2⁶⁶⁷³ is an apocalyptic number.

It is an amenable number.

6673 is a deficient number, since it is larger than the sum of its proper divisors (1).

6673 is an equidigital number, since it uses as much as digits as its factorization.

6673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 22.

The square root of 6673 is about 81.6884324736. The cubic root of 6673 is about 18.8266785862.

The spelling of 6673 in words is "six thousand, six hundred seventy-three".