6781468 has 12 divisors (see below), whose sum is σ = 11898712. Its totient is φ = 3381840.

The previous prime is 6781457. The next prime is 6781493. The reversal of 6781468 is 8641876.

It is a self number, because there is not a number n which added to its sum of digits gives 6781468.

It is a congruent number.

It is an unprimeable number.

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, 330 + ... + 3697.

Almost surely, 2^6781468 is an apocalyptic number.

It is an amenable number.

6781468 is a deficient number, since it is larger than the sum of its proper divisors (5117244).

6781468 is a wasteful number, since it uses less digits than its factorization.

6781468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4452 (or 4450 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 6781468 is about 2604.1251890030. The cubic root of 6781468 is about 189.2813852169.

The spelling of 6781468 in words is "six million, seven hundred eighty-one thousand, four hundred sixty-eight".