70000717 has 2 divisors, whose sum is σ = 70000718. Its totient is φ = 70000716.

The previous prime is 70000699. The next prime is 70000739. The reversal of 70000717 is 71700007.

It is an a-pointer prime, because the next prime (70000739) can be obtained adding 70000717 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68906601 + 1094116 = 8301^2 + 1046^2 .

It is an emirp because it is prime and its reverse (71700007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70000717 - 2⁷ = 70000589 is a prime.

70000717 is a modest number, since divided by 717 gives 7 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70000417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35000358 + 35000359.

It is an arithmetic number, because the mean of its divisors is an integer number (35000359).

Almost surely, 2^70000717 is an apocalyptic number.

It is an amenable number.

70000717 is a deficient number, since it is larger than the sum of its proper divisors (1).

70000717 is an equidigital number, since it uses as much as digits as its factorization.

70000717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 343, while the sum is 22.

The square root of 70000717 is about 8366.6431141767. The cubic root of 70000717 is about 412.1299371006.

The spelling of 70000717 in words is "seventy million, seven hundred seventeen", and thus it is an aban number.