9720097 has 2 divisors, whose sum is σ = 9720098. Its totient is φ = 9720096.

The previous prime is 9720089. The next prime is 9720103. The reversal of 9720097 is 7900279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8767521 + 952576 = 2961^2 + 976^2 .

It is a cyclic number.

It is not a de Polignac number, because 9720097 - 2³ = 9720089 is a prime.

It is not a weakly prime, because it can be changed into another prime (9720037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4860048 + 4860049.

It is an arithmetic number, because the mean of its divisors is an integer number (4860049).

Almost surely, 2^9720097 is an apocalyptic number.

It is an amenable number.

9720097 is a deficient number, since it is larger than the sum of its proper divisors (1).

9720097 is an equidigital number, since it uses as much as digits as its factorization.

9720097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 9720097 is about 3117.7070099674. The cubic root of 9720097 is about 213.4143081820.

The spelling of 9720097 in words is "nine million, seven hundred twenty thousand, ninety-seven".