6706172817 has 12 divisors (see below), whose sum is σ = 10045460880. Its totient is φ = 4470781716.

The previous prime is 6706172761. The next prime is 6706172819. The reversal of 6706172817 is 7182716076.

6706172817 is a `hidden beast` number, since 6 + 7 + 0 + 617 + 28 + 1 + 7 = 666.

It is not a de Polignac number, because 6706172817 - 2⁷ = 6706172689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6706172819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13798467 + ... + 13798952.

It is an arithmetic number, because the mean of its divisors is an integer number (837121740).

Almost surely, 2^6706172817 is an apocalyptic number.

It is an amenable number.

6706172817 is a deficient number, since it is larger than the sum of its proper divisors (3339288063).

6706172817 is an equidigital number, since it uses as much as digits as its factorization.

6706172817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27597434 (or 27597422 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The square root of 6706172817 is about 81891.2255189773. The cubic root of 6706172817 is about 1885.7824093822.

The spelling of 6706172817 in words is "six billion, seven hundred six million, one hundred seventy-two thousand, eight hundred seventeen".