9729697 has 2 divisors, whose sum is σ = 9729698. Its totient is φ = 9729696.

The previous prime is 9729679. The next prime is 9729743. The reversal of 9729697 is 7969279.

Together with previous prime (9729679) 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., 9265936 + 463761 = 3044^2 + 681^2 .

It is an emirp because it is prime and its reverse (7969279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9729697 - 2¹¹ = 9727649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9729697.

It is not a weakly prime, because it can be changed into another prime (9729647) 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, 4864848 + 4864849.

It is an arithmetic number, because the mean of its divisors is an integer number (4864849).

Almost surely, 2^9729697 is an apocalyptic number.

It is an amenable number.

9729697 is a deficient number, since it is larger than the sum of its proper divisors (1).

9729697 is an equidigital number, since it uses as much as digits as its factorization.

9729697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 49.

The square root of 9729697 is about 3119.2462230481. The cubic root of 9729697 is about 213.4845442177.

The spelling of 9729697 in words is "nine million, seven hundred twenty-nine thousand, six hundred ninety-seven".