68004066 has 32 divisors (see below), whose sum is σ = 146821248. Its totient is φ = 20874240.

The previous prime is 68004037. The next prime is 68004107. The reversal of 68004066 is 66040086.

It is a happy number.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 44251 + ... + 45761.

It is an arithmetic number, because the mean of its divisors is an integer number (4588164).

Almost surely, 2^68004066 is an apocalyptic number.

68004066 is an abundant number, since it is smaller than the sum of its proper divisors (78817182).

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

68004066 is a wasteful number, since it uses less digits than its factorization.

68004066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 68004066 is about 8246.4577850129. The cubic root of 68004066 is about 408.1736453284.

The spelling of 68004066 in words is "sixty-eight million, four thousand, sixty-six".