6767869 has 2 divisors, whose sum is σ = 6767870. Its totient is φ = 6767868.

The previous prime is 6767867. The next prime is 6767881. The reversal of 6767869 is 9687676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5116644 + 1651225 = 2262^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 6767869 - 2¹ = 6767867 is a prime.

It is a super-2 number, since 2×6767869² = 91608101602322, which contains 22 as substring.

Together with 6767867, it forms a pair of twin primes.

6767869 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6767863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3383934 + 3383935.

It is an arithmetic number, because the mean of its divisors is an integer number (3383935).

Almost surely, 2^6767869 is an apocalyptic number.

It is an amenable number.

6767869 is a deficient number, since it is larger than the sum of its proper divisors (1).

6767869 is an equidigital number, since it uses as much as digits as its factorization.

6767869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 49.

The square root of 6767869 is about 2601.5128291054. The cubic root of 6767869 is about 189.1547774251.

The spelling of 6767869 in words is "six million, seven hundred sixty-seven thousand, eight hundred sixty-nine".