6685672 has 32 divisors (see below), whose sum is σ = 14411520. Its totient is φ = 2848320.

The previous prime is 6685669. The next prime is 6685673. The reversal of 6685672 is 2765866.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6685673) 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, 15297 + ... + 15727.

It is an arithmetic number, because the mean of its divisors is an integer number (450360).

Almost surely, 2^6685672 is an apocalyptic number.

It is an amenable number.

6685672 is an abundant number, since it is smaller than the sum of its proper divisors (7725848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6685672 is a wasteful number, since it uses less digits than its factorization.

6685672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 717 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 6685672 is about 2585.6666451807. Note that the first 4 decimals coincide. The cubic root of 6685672 is about 188.3858831266.

The spelling of 6685672 in words is "six million, six hundred eighty-five thousand, six hundred seventy-two".