68030289 has 12 divisors (see below), whose sum is σ = 98856576. Its totient is φ = 45080952.

The previous prime is 68030273. The next prime is 68030299. The reversal of 68030289 is 98203086.

It is not a de Polignac number, because 68030289 - 2⁴ = 68030273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68030219) 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 in 11 ways as a sum of consecutive naturals, for example, 21129 + ... + 24134.

It is an arithmetic number, because the mean of its divisors is an integer number (8238048).

Almost surely, 2^68030289 is an apocalyptic number.

It is an amenable number.

68030289 is a deficient number, since it is larger than the sum of its proper divisors (30826287).

68030289 is a wasteful number, since it uses less digits than its factorization.

68030289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45436 (or 45433 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 68030289 is about 8248.0475871566. The cubic root of 68030289 is about 408.2261037702.

The spelling of 68030289 in words is "sixty-eight million, thirty thousand, two hundred eighty-nine".