6666373 has 8 divisors (see below), whose sum is σ = 7637760. Its totient is φ = 5699760.

The previous prime is 6666353. The next prime is 6666379. The reversal of 6666373 is 3736666.

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

It is a cyclic number.

It is not a de Polignac number, because 6666373 - 2⁹ = 6665861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2628 + ... + 4498.

It is an arithmetic number, because the mean of its divisors is an integer number (954720).

Almost surely, 2^6666373 is an apocalyptic number.

It is an amenable number.

6666373 is a deficient number, since it is larger than the sum of its proper divisors (971387).

6666373 is a wasteful number, since it uses less digits than its factorization.

6666373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387.

The product of its digits is 81648, while the sum is 37.

The square root of 6666373 is about 2581.9320285399. The cubic root of 6666373 is about 188.2044422265.

The spelling of 6666373 in words is "six million, six hundred sixty-six thousand, three hundred seventy-three".