6767491 has 2 divisors, whose sum is σ = 6767492. Its totient is φ = 6767490.

The previous prime is 6767489. The next prime is 6767531. The reversal of 6767491 is 1947676.

It is an a-pointer prime, because the next prime (6767531) can be obtained adding 6767491 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6767491 - 2¹ = 6767489 is a prime.

Together with 6767489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6767461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3383745 + 3383746.

It is an arithmetic number, because the mean of its divisors is an integer number (3383746).

Almost surely, 2^6767491 is an apocalyptic number.

6767491 is a deficient number, since it is larger than the sum of its proper divisors (1).

6767491 is an equidigital number, since it uses as much as digits as its factorization.

6767491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 40.

The square root of 6767491 is about 2601.4401780552. The cubic root of 6767491 is about 189.1512557929.

The spelling of 6767491 in words is "six million, seven hundred sixty-seven thousand, four hundred ninety-one".