6766849 has 4 divisors (see below), whose sum is σ = 6775636. Its totient is φ = 6758064.

The previous prime is 6766843. The next prime is 6766861. The reversal of 6766849 is 9486676.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1040400 + 5726449 = 1020^2 + 2393^2 .

It is a cyclic number.

It is not a de Polignac number, because 6766849 - 2¹⁵ = 6734081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6766799 and 6766808.

It is not an unprimeable number, because it can be changed into a prime (6766843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3114 + ... + 4819.

It is an arithmetic number, because the mean of its divisors is an integer number (1693909).

Almost surely, 2^6766849 is an apocalyptic number.

It is an amenable number.

6766849 is a deficient number, since it is larger than the sum of its proper divisors (8787).

6766849 is an equidigital number, since it uses as much as digits as its factorization.

6766849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8786.

The product of its digits is 435456, while the sum is 46.

The square root of 6766849 is about 2601.3167819395. The cubic root of 6766849 is about 189.1452743075.

The spelling of 6766849 in words is "six million, seven hundred sixty-six thousand, eight hundred forty-nine".