6678468 has 36 divisors (see below), whose sum is σ = 17466540. Its totient is φ = 2149056.

The previous prime is 6678461. The next prime is 6678491. The reversal of 6678468 is 8648766.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1258884 + 5419584 = 1122^2 + 2328^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (6678461) 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 11 ways as a sum of consecutive naturals, for example, 2155 + ... + 4242.

Almost surely, 2^6678468 is an apocalyptic number.

It is an amenable number.

6678468 is an abundant number, since it is smaller than the sum of its proper divisors (10788072).

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

6678468 is a wasteful number, since it uses less digits than its factorization.

6678468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6436 (or 6431 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 6678468 is about 2584.2732053713. The cubic root of 6678468 is about 188.3181951094.

The spelling of 6678468 in words is "six million, six hundred seventy-eight thousand, four hundred sixty-eight".