6668373 has 8 divisors (see below), whose sum is σ = 9359200. Its totient is φ = 4211568.

The previous prime is 6668359. The next prime is 6668377. The reversal of 6668373 is 3738666.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6668373 - 2⁵ = 6668341 is a prime.

It is a super-3 number, since 3×6668373³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

6668373 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58438 + ... + 58551.

It is an arithmetic number, because the mean of its divisors is an integer number (1169900).

Almost surely, 2^6668373 is an apocalyptic number.

It is an amenable number.

6668373 is a deficient number, since it is larger than the sum of its proper divisors (2690827).

6668373 is a wasteful number, since it uses less digits than its factorization.

6668373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117011.

The product of its digits is 108864, while the sum is 39.

The square root of 6668373 is about 2582.3193063601. The cubic root of 6668373 is about 188.2232616179.

The spelling of 6668373 in words is "six million, six hundred sixty-eight thousand, three hundred seventy-three".