68794217 has 2 divisors, whose sum is σ = 68794218. Its totient is φ = 68794216.

The previous prime is 68794213. The next prime is 68794247. The reversal of 68794217 is 71249786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39677401 + 29116816 = 6299^2 + 5396^2 .

It is a cyclic number.

It is not a de Polignac number, because 68794217 - 2² = 68794213 is a prime.

It is not a weakly prime, because it can be changed into another prime (68794213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34397108 + 34397109.

It is an arithmetic number, because the mean of its divisors is an integer number (34397109).

Almost surely, 2^68794217 is an apocalyptic number.

It is an amenable number.

68794217 is a deficient number, since it is larger than the sum of its proper divisors (1).

68794217 is an equidigital number, since it uses as much as digits as its factorization.

68794217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 44.

The square root of 68794217 is about 8294.2279327253. The cubic root of 68794217 is about 409.7484417601.

The spelling of 68794217 in words is "sixty-eight million, seven hundred ninety-four thousand, two hundred seventeen".