6778468 has 12 divisors (see below), whose sum is σ = 12378240. Its totient is φ = 3241832.

The previous prime is 6778463. The next prime is 6778469. The reversal of 6778468 is 8648776.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (6778463) 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, 36748 + ... + 36931.

It is an arithmetic number, because the mean of its divisors is an integer number (1031520).

Almost surely, 2^6778468 is an apocalyptic number.

It is an amenable number.

6778468 is a deficient number, since it is larger than the sum of its proper divisors (5599772).

6778468 is a wasteful number, since it uses less digits than its factorization.

6778468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73706 (or 73704 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 6778468 is about 2603.5491161105. The cubic root of 6778468 is about 189.2534695350.

The spelling of 6778468 in words is "six million, seven hundred seventy-eight thousand, four hundred sixty-eight".