6779240 has 32 divisors (see below), whose sum is σ = 16427880. Its totient is φ = 2502912.

The previous prime is 6779239. The next prime is 6779249. The reversal of 6779240 is 429776.

It can be written as a sum of positive squares in 4 ways, for example, as 4813636 + 1965604 = 2194^2 + 1402^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6779240.

It is not an unprimeable number, because it can be changed into a prime (6779249) 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, 5999 + ... + 7038.

Almost surely, 2^6779240 is an apocalyptic number.

It is an amenable number.

6779240 is an abundant number, since it is smaller than the sum of its proper divisors (9648640).

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

6779240 is a wasteful number, since it uses less digits than its factorization.

6779240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13061 (or 13057 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 6779240 is about 2603.6973710476. The cubic root of 6779240 is about 189.2606539574.

The spelling of 6779240 in words is "six million, seven hundred seventy-nine thousand, two hundred forty".