6940771 has 2 divisors, whose sum is σ = 6940772. Its totient is φ = 6940770.

The previous prime is 6940753. The next prime is 6940781. The reversal of 6940771 is 1770496.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6940771 is a prime.

It is not a weakly prime, because it can be changed into another prime (6940711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3470385 + 3470386.

It is an arithmetic number, because the mean of its divisors is an integer number (3470386).

Almost surely, 2^6940771 is an apocalyptic number.

6940771 is a deficient number, since it is larger than the sum of its proper divisors (1).

6940771 is an equidigital number, since it uses as much as digits as its factorization.

6940771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 6940771 is about 2634.5343041988. The cubic root of 6940771 is about 190.7520608054.

The spelling of 6940771 in words is "six million, nine hundred forty thousand, seven hundred seventy-one".