6778272 has 24 divisors (see below), whose sum is σ = 17793216. Its totient is φ = 2259392.

The previous prime is 6778271. The next prime is 6778273. The reversal of 6778272 is 2728776.

6778272 is digitally balanced in base 5, 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 (6778271) and next prime (6778273).

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 6778272.

It is not an unprimeable number, because it can be changed into a prime (6778271) 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, 35208 + ... + 35399.

It is an arithmetic number, because the mean of its divisors is an integer number (741384).

Almost surely, 2^6778272 is an apocalyptic number.

It is an amenable number.

6778272 is an abundant number, since it is smaller than the sum of its proper divisors (11014944).

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

6778272 is a wasteful number, since it uses less digits than its factorization.

6778272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70620 (or 70612 counting only the distinct ones).

The product of its digits is 65856, while the sum is 39.

The square root of 6778272 is about 2603.5114749123. The cubic root of 6778272 is about 189.2516454238.

The spelling of 6778272 in words is "six million, seven hundred seventy-eight thousand, two hundred seventy-two".