6769661 has 2 divisors, whose sum is σ = 6769662. Its totient is φ = 6769660.

The previous prime is 6769649. The next prime is 6769669. The reversal of 6769661 is 1669676.

6769661 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 can be written as a sum of positive squares in only one way, i.e., 5317636 + 1452025 = 2306^2 + 1205^2 .

It is a cyclic number.

It is not a de Polignac number, because 6769661 - 2¹⁰ = 6768637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6769669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3384830 + 3384831.

It is an arithmetic number, because the mean of its divisors is an integer number (3384831).

Almost surely, 2^6769661 is an apocalyptic number.

It is an amenable number.

6769661 is a deficient number, since it is larger than the sum of its proper divisors (1).

6769661 is an equidigital number, since it uses as much as digits as its factorization.

6769661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The square root of 6769661 is about 2601.8572212941. The cubic root of 6769661 is about 189.1714707865.

The spelling of 6769661 in words is "six million, seven hundred sixty-nine thousand, six hundred sixty-one".