68186273 has 2 divisors, whose sum is σ = 68186274. Its totient is φ = 68186272.

The previous prime is 68186263. The next prime is 68186281. The reversal of 68186273 is 37268186.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59706529 + 8479744 = 7727^2 + 2912^2 .

It is a cyclic number.

It is not a de Polignac number, because 68186273 - 2⁴ = 68186257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68186273.

It is not a weakly prime, because it can be changed into another prime (68186263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34093136 + 34093137.

It is an arithmetic number, because the mean of its divisors is an integer number (34093137).

Almost surely, 2^68186273 is an apocalyptic number.

It is an amenable number.

68186273 is a deficient number, since it is larger than the sum of its proper divisors (1).

68186273 is an equidigital number, since it uses as much as digits as its factorization.

68186273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 68186273 is about 8257.4979866785. The cubic root of 68186273 is about 408.5378675257.

The spelling of 68186273 in words is "sixty-eight million, one hundred eighty-six thousand, two hundred seventy-three".