6786671 has 4 divisors (see below), whose sum is σ = 6795600. Its totient is φ = 6777744.

The previous prime is 6786649. The next prime is 6786673. The reversal of 6786671 is 1766876.

6786671 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6786671 - 2¹⁴ = 6770287 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6786673) 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, 3206 + ... + 4883.

It is an arithmetic number, because the mean of its divisors is an integer number (1698900).

Almost surely, 2^6786671 is an apocalyptic number.

6786671 is a deficient number, since it is larger than the sum of its proper divisors (8929).

6786671 is an equidigital number, since it uses as much as digits as its factorization.

6786671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8928.

The product of its digits is 84672, while the sum is 41.

The square root of 6786671 is about 2605.1239893717. The cubic root of 6786671 is about 189.3297807997.

The spelling of 6786671 in words is "six million, seven hundred eighty-six thousand, six hundred seventy-one".