70267217 has 2 divisors, whose sum is σ = 70267218. Its totient is φ = 70267216.

The previous prime is 70267207. The next prime is 70267271. The reversal of 70267217 is 71276207.

It is a happy number.

Together with next prime (70267271) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59969536 + 10297681 = 7744^2 + 3209^2 .

It is an emirp because it is prime and its reverse (71276207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70267217 - 2⁸ = 70266961 is a prime.

It is not a weakly prime, because it can be changed into another prime (70267207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35133608 + 35133609.

It is an arithmetic number, because the mean of its divisors is an integer number (35133609).

Almost surely, 2^70267217 is an apocalyptic number.

It is an amenable number.

70267217 is a deficient number, since it is larger than the sum of its proper divisors (1).

70267217 is an equidigital number, since it uses as much as digits as its factorization.

70267217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 70267217 is about 8382.5543243095. The cubic root of 70267217 is about 412.6522819450.

The spelling of 70267217 in words is "seventy million, two hundred sixty-seven thousand, two hundred seventeen".