68930217 has 16 divisors (see below), whose sum is σ = 102640000. Its totient is φ = 45718992.

The previous prime is 68930209. The next prime is 68930219. The reversal of 68930217 is 71203986.

It is not a de Polignac number, because 68930217 - 2³ = 68930209 is a prime.

It is a super-3 number, since 3×68930217³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68930219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1042 + ... + 11787.

It is an arithmetic number, because the mean of its divisors is an integer number (6415000).

Almost surely, 2^68930217 is an apocalyptic number.

It is an amenable number.

68930217 is a deficient number, since it is larger than the sum of its proper divisors (33709783).

68930217 is a wasteful number, since it uses less digits than its factorization.

68930217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13037 (or 13031 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 68930217 is about 8302.4223573605. The cubic root of 68930217 is about 410.0182760047.

The spelling of 68930217 in words is "sixty-eight million, nine hundred thirty thousand, two hundred seventeen".