6881870 has 8 divisors (see below), whose sum is σ = 12387384. Its totient is φ = 2752744.

The previous prime is 6881869. The next prime is 6881873. The reversal of 6881870 is 781886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6881873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344084 + ... + 344103.

It is an arithmetic number, because the mean of its divisors is an integer number (1548423).

Almost surely, 2^6881870 is an apocalyptic number.

6881870 is a deficient number, since it is larger than the sum of its proper divisors (5505514).

6881870 is a wasteful number, since it uses less digits than its factorization.

6881870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688194.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 6881870 is about 2623.3318509102. The cubic root of 6881870 is about 190.2109383976.

The spelling of 6881870 in words is "six million, eight hundred eighty-one thousand, eight hundred seventy".