6681692 has 12 divisors (see below), whose sum is σ = 12308520. Its totient is φ = 3164976.

The previous prime is 6681683. The next prime is 6681721. The reversal of 6681692 is 2961866.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 43883 + ... + 44034.

It is an arithmetic number, because the mean of its divisors is an integer number (1025710).

Almost surely, 2^6681692 is an apocalyptic number.

It is an amenable number.

6681692 is a deficient number, since it is larger than the sum of its proper divisors (5626828).

6681692 is a wasteful number, since it uses less digits than its factorization.

6681692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87940 (or 87938 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 6681692 is about 2584.8969031665. The cubic root of 6681692 is about 188.3484934847.

It can be divided in two parts, 668 and 1692, that multiplied together give a triangular number (1130256 = T₁₅₀₃).

The spelling of 6681692 in words is "six million, six hundred eighty-one thousand, six hundred ninety-two".