6773649 has 4 divisors (see below), whose sum is σ = 9031536. Its totient is φ = 4515764.

The previous prime is 6773647. The next prime is 6773659. The reversal of 6773649 is 9463776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6773649 - 2¹ = 6773647 is a prime.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 6773649.

It is not an unprimeable number, because it can be changed into a prime (6773647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1128939 + ... + 1128944.

It is an arithmetic number, because the mean of its divisors is an integer number (2257884).

Almost surely, 2^6773649 is an apocalyptic number.

It is an amenable number.

6773649 is a deficient number, since it is larger than the sum of its proper divisors (2257887).

6773649 is a wasteful number, since it uses less digits than its factorization.

6773649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257886.

The product of its digits is 190512, while the sum is 42.

The square root of 6773649 is about 2602.6234841021. The cubic root of 6773649 is about 189.2086103977.

The spelling of 6773649 in words is "six million, seven hundred seventy-three thousand, six hundred forty-nine".