6768438 has 16 divisors (see below), whose sum is σ = 13759536. Its totient is φ = 2219040.

The previous prime is 6768413. The next prime is 6768449. The reversal of 6768438 is 8348676.

It is a self number, because there is not a number n which added to its sum of digits gives 6768438.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8881 + ... + 9612.

It is an arithmetic number, because the mean of its divisors is an integer number (859971).

Almost surely, 2^6768438 is an apocalyptic number.

6768438 is an abundant number, since it is smaller than the sum of its proper divisors (6991098).

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

6768438 is a wasteful number, since it uses less digits than its factorization.

6768438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18559.

The product of its digits is 193536, while the sum is 42.

The square root of 6768438 is about 2601.6221862523. The cubic root of 6768438 is about 189.1600782592.

The spelling of 6768438 in words is "six million, seven hundred sixty-eight thousand, four hundred thirty-eight".