6630678 has 24 divisors (see below), whose sum is σ = 14531400. Its totient is φ = 2184864.

The previous prime is 6630661. The next prime is 6630691. The reversal of 6630678 is 8760366.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 468 + ... + 3671.

It is an arithmetic number, because the mean of its divisors is an integer number (605475).

Almost surely, 2^6630678 is an apocalyptic number.

6630678 is an abundant number, since it is smaller than the sum of its proper divisors (7900722).

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

6630678 is a wasteful number, since it uses less digits than its factorization.

6630678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4236 (or 4233 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 6630678 is about 2575.0102912416. The cubic root of 6630678 is about 187.8679282148.

The spelling of 6630678 in words is "six million, six hundred thirty thousand, six hundred seventy-eight".