6781608 has 48 divisors (see below), whose sum is σ = 18532800. Its totient is φ = 2240160.

The previous prime is 6781603. The next prime is 6781609. The reversal of 6781608 is 8061876.

6781608 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6781603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9073 + ... + 9791.

It is an arithmetic number, because the mean of its divisors is an integer number (386100).

Almost surely, 2^6781608 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 6781608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9266400).

6781608 is an abundant number, since it is smaller than the sum of its proper divisors (11751192).

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

6781608 is a wasteful number, since it uses less digits than its factorization.

6781608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 6781608 is about 2604.1520692924. The cubic root of 6781608 is about 189.2826877476.

The spelling of 6781608 in words is "six million, seven hundred eighty-one thousand, six hundred eight".