6881740 has 24 divisors (see below), whose sum is σ = 14761152. Its totient is φ = 2693760.

The previous prime is 6881731. The next prime is 6881759. The reversal of 6881740 is 471886.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6881696 and 6881705.

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, 2721 + ... + 4600.

It is an arithmetic number, because the mean of its divisors is an integer number (615048).

Almost surely, 2^6881740 is an apocalyptic number.

It is an amenable number.

6881740 is an abundant number, since it is smaller than the sum of its proper divisors (7879412).

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

6881740 is a wasteful number, since it uses less digits than its factorization.

6881740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7377 (or 7375 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 6881740 is about 2623.3070731426. The cubic root of 6881740 is about 190.2097406816.

The spelling of 6881740 in words is "six million, eight hundred eighty-one thousand, seven hundred forty".