6774649 has 8 divisors (see below), whose sum is σ = 7786688. Its totient is φ = 5773680.

The previous prime is 6774643. The next prime is 6774671. The reversal of 6774649 is 9464776.

6774649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6774649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6774643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1407 + ... + 3940.

It is an arithmetic number, because the mean of its divisors is an integer number (973336).

Almost surely, 2^6774649 is an apocalyptic number.

It is an amenable number.

6774649 is a deficient number, since it is larger than the sum of its proper divisors (1012039).

6774649 is a wasteful number, since it uses less digits than its factorization.

6774649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535.

The product of its digits is 254016, while the sum is 43.

The square root of 6774649 is about 2602.8155908554. The cubic root of 6774649 is about 189.2179209529.

The spelling of 6774649 in words is "six million, seven hundred seventy-four thousand, six hundred forty-nine".