6780835 has 4 divisors (see below), whose sum is σ = 8137008. Its totient is φ = 5424664.

The previous prime is 6780833. The next prime is 6780857. The reversal of 6780835 is 5380876.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6780835 - 2¹ = 6780833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6780794 and 6780803.

It is not an unprimeable number, because it can be changed into a prime (6780833) 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, 678079 + ... + 678088.

It is an arithmetic number, because the mean of its divisors is an integer number (2034252).

Almost surely, 2^6780835 is an apocalyptic number.

6780835 is a deficient number, since it is larger than the sum of its proper divisors (1356173).

6780835 is a wasteful number, since it uses less digits than its factorization.

6780835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356172.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 6780835 is about 2604.0036482309. The cubic root of 6780835 is about 189.2754956934.

The spelling of 6780835 in words is "six million, seven hundred eighty thousand, eight hundred thirty-five".