6878040 has 64 divisors (see below), whose sum is σ = 22226400. Its totient is φ = 1692672.

The previous prime is 6878033. The next prime is 6878059. The reversal of 6878040 is 408786.

6878040 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 6877992 and 6878010.

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, 645 + ... + 3764.

Almost surely, 2^6878040 is an apocalyptic number.

6878040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6878040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11113200).

6878040 is an abundant number, since it is smaller than the sum of its proper divisors (15348360).

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

6878040 is a wasteful number, since it uses less digits than its factorization.

6878040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4436 (or 4432 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 6878040 is about 2622.6017616100. The cubic root of 6878040 is about 190.1756455154.

The spelling of 6878040 in words is "six million, eight hundred seventy-eight thousand, forty".