6778832 has 40 divisors (see below), whose sum is σ = 13808640. Its totient is φ = 3219840.

The previous prime is 6778831. The next prime is 6778841. The reversal of 6778832 is 2388776.

It is a self number, because there is not a number n which added to its sum of digits gives 6778832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6778831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39098 + ... + 39270.

It is an arithmetic number, because the mean of its divisors is an integer number (345216).

Almost surely, 2^6778832 is an apocalyptic number.

6778832 is a gapful number since it is divisible by the number (62) 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 6778832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6904320).

6778832 is an abundant number, since it is smaller than the sum of its proper divisors (7029808).

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

6778832 is a wasteful number, since it uses less digits than its factorization.

6778832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 285 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 6778832 is about 2603.6190197492. The cubic root of 6778832 is about 189.2568570767.

The spelling of 6778832 in words is "six million, seven hundred seventy-eight thousand, eight hundred thirty-two".