6674694678 has 20 divisors (see below), whose sum is σ = 14956260660. Its totient is φ = 2224898172.

The previous prime is 6674694667. The next prime is 6674694709. The reversal of 6674694678 is 8764964766.

6674694678 is a `hidden beast` number, since 6 + 67 + 469 + 46 + 78 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20600748 + ... + 20601071.

It is an arithmetic number, because the mean of its divisors is an integer number (747813033).

Almost surely, 2^6674694678 is an apocalyptic number.

6674694678 is an abundant number, since it is smaller than the sum of its proper divisors (8281565982).

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

6674694678 is a wasteful number, since it uses less digits than its factorization.

6674694678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41201833 (or 41201824 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 63.

The square root of 6674694678 is about 81698.8046301780. The cubic root of 6674694678 is about 1882.8272195113.

The spelling of 6674694678 in words is "six billion, six hundred seventy-four million, six hundred ninety-four thousand, six hundred seventy-eight".