67282217 has 2 divisors, whose sum is σ = 67282218. Its totient is φ = 67282216.

The previous prime is 67282181. The next prime is 67282223. The reversal of 67282217 is 71228276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35652841 + 31629376 = 5971^2 + 5624^2 .

It is a cyclic number.

It is not a de Polignac number, because 67282217 - 2⁸ = 67281961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67282247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33641108 + 33641109.

It is an arithmetic number, because the mean of its divisors is an integer number (33641109).

Almost surely, 2^67282217 is an apocalyptic number.

It is an amenable number.

67282217 is a deficient number, since it is larger than the sum of its proper divisors (1).

67282217 is an equidigital number, since it uses as much as digits as its factorization.

67282217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 35.

The square root of 67282217 is about 8202.5738033863. The cubic root of 67282217 is about 406.7242788424.

The spelling of 67282217 in words is "sixty-seven million, two hundred eighty-two thousand, two hundred seventeen".