6780841 has 8 divisors (see below), whose sum is σ = 7230600. Its totient is φ = 6336768.

The previous prime is 6780833. The next prime is 6780857. The reversal of 6780841 is 1480876.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25 + 6780816 = 5^2 + 2604^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6780841 - 2³ = 6780833 is a prime.

It is a Duffinian number.

6780841 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6780797 and 6780806.

It is not an unprimeable number, because it can be changed into a prime (6780871) 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, 1195 + ... + 3871.

It is an arithmetic number, because the mean of its divisors is an integer number (903825).

Almost surely, 2^6780841 is an apocalyptic number.

It is an amenable number.

6780841 is a deficient number, since it is larger than the sum of its proper divisors (449759).

6780841 is a wasteful number, since it uses less digits than its factorization.

6780841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 6780841 is about 2604.0048003028. The cubic root of 6780841 is about 189.2755515200.

It can be divided in two parts, 67 and 80841, that added together give a palindrome (80908).

The spelling of 6780841 in words is "six million, seven hundred eighty thousand, eight hundred forty-one".