6778236 has 24 divisors (see below), whose sum is σ = 15966720. Its totient is φ = 2237872.

The previous prime is 6778229. The next prime is 6778237. The reversal of 6778236 is 6328776.

6778236 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 6778194 and 6778203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6778237) 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, 1356 + ... + 3923.

It is an arithmetic number, because the mean of its divisors is an integer number (665280).

Almost surely, 2^6778236 is an apocalyptic number.

It is an amenable number.

6778236 is an abundant number, since it is smaller than the sum of its proper divisors (9188484).

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

6778236 is a wasteful number, since it uses less digits than its factorization.

6778236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5393 (or 5391 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 6778236 is about 2603.5045611637. The cubic root of 6778236 is about 189.2513103792.

The spelling of 6778236 in words is "six million, seven hundred seventy-eight thousand, two hundred thirty-six".