68250017 has 4 divisors (see below), whose sum is σ = 74454576. Its totient is φ = 62045460.

The previous prime is 68250001. The next prime is 68250029. The reversal of 68250017 is 71005286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68250017 - 2⁴ = 68250001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68250097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3102263 + ... + 3102284.

It is an arithmetic number, because the mean of its divisors is an integer number (18613644).

Almost surely, 2^68250017 is an apocalyptic number.

It is an amenable number.

68250017 is a deficient number, since it is larger than the sum of its proper divisors (6204559).

68250017 is a wasteful number, since it uses less digits than its factorization.

68250017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6204558.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 68250017 is about 8261.3568498159. The cubic root of 68250017 is about 408.6651352088.

The spelling of 68250017 in words is "sixty-eight million, two hundred fifty thousand, seventeen".