6774813 has 8 divisors (see below), whose sum is σ = 10036800. Its totient is φ = 4516524.

The previous prime is 6774809. The next prime is 6774821. The reversal of 6774813 is 3184776.

It is not a de Polignac number, because 6774813 - 2² = 6774809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6774883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125433 + ... + 125486.

It is an arithmetic number, because the mean of its divisors is an integer number (1254600).

Almost surely, 2^6774813 is an apocalyptic number.

It is an amenable number.

6774813 is a deficient number, since it is larger than the sum of its proper divisors (3261987).

6774813 is a wasteful number, since it uses less digits than its factorization.

6774813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250928 (or 250922 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 6774813 is about 2602.8470950096. The cubic root of 6774813 is about 189.2194477966.

The spelling of 6774813 in words is "six million, seven hundred seventy-four thousand, eight hundred thirteen".