6879740 has 48 divisors (see below), whose sum is σ = 16669632. Its totient is φ = 2336256.

The previous prime is 6879683. The next prime is 6879797. The reversal of 6879740 is 479786.

It is an interprime number because it is at equal distance from previous prime (6879683) and next prime (6879797).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21824 + ... + 22136.

It is an arithmetic number, because the mean of its divisors is an integer number (347284).

Almost surely, 2^6879740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6879740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8334816).

6879740 is an abundant number, since it is smaller than the sum of its proper divisors (9789892).

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

6879740 is a wasteful number, since it uses less digits than its factorization.

6879740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 6879740 is about 2622.9258472172. The cubic root of 6879740 is about 190.1913123800.

The spelling of 6879740 in words is "six million, eight hundred seventy-nine thousand, seven hundred forty".