6666707 has 8 divisors (see below), whose sum is σ = 6793200. Its totient is φ = 6541600.

The previous prime is 6666689. The next prime is 6666719. The reversal of 6666707 is 7076666.

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 6666707 - 2²⁰ = 5618131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6666797) 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, 14828 + ... + 15270.

It is an arithmetic number, because the mean of its divisors is an integer number (849150).

Almost surely, 2^6666707 is an apocalyptic number.

6666707 is a deficient number, since it is larger than the sum of its proper divisors (126493).

6666707 is a wasteful number, since it uses less digits than its factorization.

6666707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 6666707 is about 2581.9967079762. The cubic root of 6666707 is about 188.2075853266.

The spelling of 6666707 in words is "six million, six hundred sixty-six thousand, seven hundred seven".