6678056 has 64 divisors (see below), whose sum is σ = 16087680. Its totient is φ = 2522880.

The previous prime is 6678037. The next prime is 6678079. The reversal of 6678056 is 6508766.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22646 + ... + 22938.

It is an arithmetic number, because the mean of its divisors is an integer number (251370).

Almost surely, 2^6678056 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 6678056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8043840).

6678056 is an abundant number, since it is smaller than the sum of its proper divisors (9409624).

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

6678056 is a wasteful number, since it uses less digits than its factorization.

6678056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 6678056 is about 2584.1934912077. The cubic root of 6678056 is about 188.3143225300.

The spelling of 6678056 in words is "six million, six hundred seventy-eight thousand, fifty-six".