68730008 has 8 divisors (see below), whose sum is σ = 128868780. Its totient is φ = 34365000.

The previous prime is 68730001. The next prime is 68730017. The reversal of 68730008 is 80003786.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68730001) by changing a digit.

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 as a sum of consecutive naturals, namely, 4295618 + ... + 4295633.

Almost surely, 2^68730008 is an apocalyptic number.

It is an amenable number.

68730008 is a deficient number, since it is larger than the sum of its proper divisors (60138772).

68730008 is a wasteful number, since it uses less digits than its factorization.

68730008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8591257 (or 8591253 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 68730008 is about 8290.3563252734. The cubic root of 68730008 is about 409.6209226729.

The spelling of 68730008 in words is "sixty-eight million, seven hundred thirty thousand, eight".