6780256 has 24 divisors (see below), whose sum is σ = 15256080. Its totient is φ = 2905728.

The previous prime is 6780253. The next prime is 6780259. The reversal of 6780256 is 6520876.

6780256 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6780253) and next prime (6780259).

6780256 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6780251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14911 + ... + 15358.

It is an arithmetic number, because the mean of its divisors is an integer number (635670).

Almost surely, 2^6780256 is an apocalyptic number.

It is an amenable number.

6780256 is an abundant number, since it is smaller than the sum of its proper divisors (8475824).

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

6780256 is a wasteful number, since it uses less digits than its factorization.

6780256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30286 (or 30278 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 6780256 is about 2603.8924708981. The cubic root of 6780256 is about 189.2701082728.

The spelling of 6780256 in words is "six million, seven hundred eighty thousand, two hundred fifty-six".