6668873 has 4 divisors (see below), whose sum is σ = 6958848. Its totient is φ = 6378900.

The previous prime is 6668861. The next prime is 6668881. The reversal of 6668873 is 3788666.

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 not a de Polignac number, because 6668873 - 2⁸ = 6668617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6668833) 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, 144953 + ... + 144998.

It is an arithmetic number, because the mean of its divisors is an integer number (1739712).

Almost surely, 2^6668873 is an apocalyptic number.

It is an amenable number.

6668873 is a deficient number, since it is larger than the sum of its proper divisors (289975).

6668873 is a wasteful number, since it uses less digits than its factorization.

6668873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289974.

The product of its digits is 290304, while the sum is 44.

The square root of 6668873 is about 2582.4161167403. The cubic root of 6668873 is about 188.2279658778.

The spelling of 6668873 in words is "six million, six hundred sixty-eight thousand, eight hundred seventy-three".