6666873 has 16 divisors (see below), whose sum is σ = 9570816. Its totient is φ = 4112640.

The previous prime is 6666841. The next prime is 6666883. The reversal of 6666873 is 3786666.

It is not a de Polignac number, because 6666873 - 2⁵ = 6666841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6666833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2040 + ... + 4182.

It is an arithmetic number, because the mean of its divisors is an integer number (598176).

Almost surely, 2^6666873 is an apocalyptic number.

It is an amenable number.

6666873 is a deficient number, since it is larger than the sum of its proper divisors (2903943).

6666873 is a wasteful number, since it uses less digits than its factorization.

6666873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224.

The product of its digits is 217728, while the sum is 42.

The square root of 6666873 is about 2582.0288534406. The cubic root of 6666873 is about 188.2091474272.

The spelling of 6666873 in words is "six million, six hundred sixty-six thousand, eight hundred seventy-three".