6807172 has 18 divisors (see below), whose sum is σ = 12456878. Its totient is φ = 3254592.

The previous prime is 6807139. The next prime is 6807181. The reversal of 6807172 is 2717086.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6635776 + 171396 = 2576^2 + 414^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 508 + ... + 3724.

Almost surely, 2^6807172 is an apocalyptic number.

It is an amenable number.

6807172 is a deficient number, since it is larger than the sum of its proper divisors (5649706).

6807172 is a wasteful number, since it uses less digits than its factorization.

6807172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3267 (or 3242 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 6807172 is about 2609.0557678977. The cubic root of 6807172 is about 189.5202299931.

The spelling of 6807172 in words is "six million, eight hundred seven thousand, one hundred seventy-two".