6778368 has 60 divisors (see below), whose sum is σ = 19576128. Its totient is φ = 2257920.

The previous prime is 6778351. The next prime is 6778379. The reversal of 6778368 is 8638776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3873 + ... + 5343.

Almost surely, 2^6778368 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 6778368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9788064).

6778368 is an abundant number, since it is smaller than the sum of its proper divisors (12797760).

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

6778368 is a wasteful number, since it uses less digits than its factorization.

6778368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495 (or 1476 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 6778368 is about 2603.5299114856. The cubic root of 6778368 is about 189.2525388704.

It can be divided in two parts, 677 and 8368, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 6778368 in words is "six million, seven hundred seventy-eight thousand, three hundred sixty-eight".