6685172 has 24 divisors (see below), whose sum is σ = 12818400. Its totient is φ = 3031776.

The previous prime is 6685163. The next prime is 6685201. The reversal of 6685172 is 2715866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1979 + ... + 4157.

It is an arithmetic number, because the mean of its divisors is an integer number (534100).

Almost surely, 2^6685172 is an apocalyptic number.

It is an amenable number.

6685172 is a deficient number, since it is larger than the sum of its proper divisors (6133228).

6685172 is a wasteful number, since it uses less digits than its factorization.

6685172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255 (or 2253 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 6685172 is about 2585.5699565086. The cubic root of 6685172 is about 188.3811867505.

The spelling of 6685172 in words is "six million, six hundred eighty-five thousand, one hundred seventy-two".