6981768 has 32 divisors (see below), whose sum is σ = 19394400. Its totient is φ = 2327184.

The previous prime is 6981757. The next prime is 6981791. The reversal of 6981768 is 8671896.

It is a happy 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, 15946 + ... + 16377.

It is an arithmetic number, because the mean of its divisors is an integer number (606075).

Almost surely, 2^6981768 is an apocalyptic number.

It is an amenable number.

6981768 is an abundant number, since it is smaller than the sum of its proper divisors (12412632).

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

6981768 is a wasteful number, since it uses less digits than its factorization.

6981768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32338 (or 32328 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 6981768 is about 2642.3035404737. The cubic root of 6981768 is about 191.1268950167.

The spelling of 6981768 in words is "six million, nine hundred eighty-one thousand, seven hundred sixty-eight".