6816673 has 4 divisors (see below), whose sum is σ = 6903040. Its totient is φ = 6730308.

The previous prime is 6816659. The next prime is 6816679. The reversal of 6816673 is 3766186.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6816673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6816679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43065 + ... + 43222.

It is an arithmetic number, because the mean of its divisors is an integer number (1725760).

Almost surely, 2^6816673 is an apocalyptic number.

It is an amenable number.

6816673 is a deficient number, since it is larger than the sum of its proper divisors (86367).

6816673 is an equidigital number, since it uses as much as digits as its factorization.

6816673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86366.

The product of its digits is 36288, while the sum is 37.

The square root of 6816673 is about 2610.8759066643. The cubic root of 6816673 is about 189.6083622660.

The spelling of 6816673 in words is "six million, eight hundred sixteen thousand, six hundred seventy-three".