700720717 has 2 divisors, whose sum is σ = 700720718. Its totient is φ = 700720716.

The previous prime is 700720693. The next prime is 700720721. The reversal of 700720717 is 717027007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 542237796 + 158482921 = 23286^2 + 12589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-700720717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (700720747) 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, 350360358 + 350360359.

It is an arithmetic number, because the mean of its divisors is an integer number (350360359).

Almost surely, 2^700720717 is an apocalyptic number.

It is an amenable number.

700720717 is a deficient number, since it is larger than the sum of its proper divisors (1).

700720717 is an equidigital number, since it uses as much as digits as its factorization.

700720717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4802, while the sum is 31.

The square root of 700720717 is about 26471.1298776611. The cubic root of 700720717 is about 888.2086246053.

The spelling of 700720717 in words is "seven hundred million, seven hundred twenty thousand, seven hundred seventeen".