6685874 has 16 divisors (see below), whose sum is σ = 10884888. Its totient is φ = 3061632.

The previous prime is 6685867. The next prime is 6685907. The reversal of 6685874 is 4785866.

It can be written as a sum of positive squares in 4 ways, for example, as 5257849 + 1428025 = 2293^2 + 1195^2 .

It is a super-2 number, since 2×6685874² = 89401822287752, which contains 22 as substring.

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, 2624 + ... + 4500.

Almost surely, 2^6685874 is an apocalyptic number.

6685874 is a deficient number, since it is larger than the sum of its proper divisors (4199014).

6685874 is a wasteful number, since it uses less digits than its factorization.

6685874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029.

The product of its digits is 322560, while the sum is 44.

The square root of 6685874 is about 2585.7057063788. The cubic root of 6685874 is about 188.3877803961.

The spelling of 6685874 in words is "six million, six hundred eighty-five thousand, eight hundred seventy-four".