6778604 has 12 divisors (see below), whose sum is σ = 13557264. Its totient is φ = 2905104.

The previous prime is 6778589. The next prime is 6778621. The reversal of 6778604 is 4068776.

6778604 = 917² + 918² + ... + 924².

6778604 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121019 + ... + 121074.

It is an arithmetic number, because the mean of its divisors is an integer number (1129772).

Almost surely, 2^6778604 is an apocalyptic number.

It is an amenable number.

6778604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6778604 is a wasteful number, since it uses less digits than its factorization.

6778604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242104 (or 242102 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 6778604 is about 2603.5752341732. The cubic root of 6778604 is about 189.2547352241.

The spelling of 6778604 in words is "six million, seven hundred seventy-eight thousand, six hundred four".