6786220 has 24 divisors (see below), whose sum is σ = 16287264. Its totient is φ = 2326656.

The previous prime is 6786209. The next prime is 6786253. The reversal of 6786220 is 226876.

It is a happy number.

6786220 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

6786220 is strictly pandigital in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24097 + ... + 24376.

It is an arithmetic number, because the mean of its divisors is an integer number (678636).

Almost surely, 2^6786220 is an apocalyptic number.

It is an amenable number.

6786220 is an abundant number, since it is smaller than the sum of its proper divisors (9501044).

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

6786220 is a wasteful number, since it uses less digits than its factorization.

6786220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48489 (or 48487 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 6786220 is about 2605.0374277542. The cubic root of 6786220 is about 189.3255868130.

The spelling of 6786220 in words is "six million, seven hundred eighty-six thousand, two hundred twenty".