6766469 has 2 divisors, whose sum is σ = 6766470. Its totient is φ = 6766468.

The previous prime is 6766447. The next prime is 6766477. The reversal of 6766469 is 9646676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6477025 + 289444 = 2545^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 6766469 - 2¹² = 6762373 is a prime.

It is a super-2 number, since 2×6766469² = 91570205455922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6766499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3383234 + 3383235.

It is an arithmetic number, because the mean of its divisors is an integer number (3383235).

Almost surely, 2^6766469 is an apocalyptic number.

It is an amenable number.

6766469 is a deficient number, since it is larger than the sum of its proper divisors (1).

6766469 is an equidigital number, since it uses as much as digits as its factorization.

6766469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 44.

The square root of 6766469 is about 2601.2437409824. The cubic root of 6766469 is about 189.1417336861.

The spelling of 6766469 in words is "six million, seven hundred sixty-six thousand, four hundred sixty-nine".