70711297 has 2 divisors, whose sum is σ = 70711298. Its totient is φ = 70711296.

The previous prime is 70711283. The next prime is 70711327. The reversal of 70711297 is 79211707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70711281 + 16 = 8409^2 + 4^2 .

It is an emirp because it is prime and its reverse (79211707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70711297 - 2¹⁹ = 70187009 is a prime.

It is not a weakly prime, because it can be changed into another prime (70711247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35355648 + 35355649.

It is an arithmetic number, because the mean of its divisors is an integer number (35355649).

Almost surely, 2^70711297 is an apocalyptic number.

It is an amenable number.

70711297 is a deficient number, since it is larger than the sum of its proper divisors (1).

70711297 is an equidigital number, since it uses as much as digits as its factorization.

70711297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6174, while the sum is 34.

The square root of 70711297 is about 8409.0009513616. Note that the first 3 decimals coincide. The cubic root of 70711297 is about 413.5197606098.

The spelling of 70711297 in words is "seventy million, seven hundred eleven thousand, two hundred ninety-seven".