70282217 has 2 divisors, whose sum is σ = 70282218. Its totient is φ = 70282216.

The previous prime is 70282213. The next prime is 70282229. The reversal of 70282217 is 71228207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36048016 + 34234201 = 6004^2 + 5851^2 .

It is a cyclic number.

It is not a de Polignac number, because 70282217 - 2² = 70282213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70282217.

It is not a weakly prime, because it can be changed into another prime (70282213) 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 as a sum of consecutive naturals, namely, 35141108 + 35141109.

It is an arithmetic number, because the mean of its divisors is an integer number (35141109).

Almost surely, 2^70282217 is an apocalyptic number.

It is an amenable number.

70282217 is a deficient number, since it is larger than the sum of its proper divisors (1).

70282217 is an equidigital number, since it uses as much as digits as its factorization.

70282217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 70282217 is about 8383.4489919126. The cubic root of 70282217 is about 412.6816429287.

The spelling of 70282217 in words is "seventy million, two hundred eighty-two thousand, two hundred seventeen".