6807971 has 2 divisors, whose sum is σ = 6807972. Its totient is φ = 6807970.

The previous prime is 6807961. The next prime is 6807979. The reversal of 6807971 is 1797086.

It is a happy number.

6807971 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6807971 - 2¹⁸ = 6545827 is a prime.

It is not a weakly prime, because it can be changed into another prime (6807979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3403985 + 3403986.

It is an arithmetic number, because the mean of its divisors is an integer number (3403986).

Almost surely, 2^6807971 is an apocalyptic number.

6807971 is a deficient number, since it is larger than the sum of its proper divisors (1).

6807971 is an equidigital number, since it uses as much as digits as its factorization.

6807971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 6807971 is about 2609.2088839340. The cubic root of 6807971 is about 189.5276447580.

The spelling of 6807971 in words is "six million, eight hundred seven thousand, nine hundred seventy-one".