712816717 has 2 divisors, whose sum is σ = 712816718. Its totient is φ = 712816716.

The previous prime is 712816703. The next prime is 712816733. The reversal of 712816717 is 717618217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 430106121 + 282710596 = 20739^2 + 16814^2 .

It is a cyclic number.

It is not a de Polignac number, because 712816717 - 2¹⁹ = 712292429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 712816717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712816747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356408358 + 356408359.

It is an arithmetic number, because the mean of its divisors is an integer number (356408359).

Almost surely, 2^712816717 is an apocalyptic number.

It is an amenable number.

712816717 is a deficient number, since it is larger than the sum of its proper divisors (1).

712816717 is an equidigital number, since it uses as much as digits as its factorization.

712816717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32928, while the sum is 40.

The square root of 712816717 is about 26698.6276239061. The cubic root of 712816717 is about 893.2903149844.

The spelling of 712816717 in words is "seven hundred twelve million, eight hundred sixteen thousand, seven hundred seventeen".