9724769 has 2 divisors, whose sum is σ = 9724770. Its totient is φ = 9724768.

The previous prime is 9724733. The next prime is 9724801. The reversal of 9724769 is 9674279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5230369 + 4494400 = 2287^2 + 2120^2 .

It is a cyclic number.

It is not a de Polignac number, because 9724769 - 2¹² = 9720673 is a prime.

It is a super-2 number, since 2×9724769² = 189142264206722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9724709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4862384 + 4862385.

It is an arithmetic number, because the mean of its divisors is an integer number (4862385).

Almost surely, 2^9724769 is an apocalyptic number.

It is an amenable number.

9724769 is a deficient number, since it is larger than the sum of its proper divisors (1).

9724769 is an equidigital number, since it uses as much as digits as its factorization.

9724769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 44.

The square root of 9724769 is about 3118.4561885651. The cubic root of 9724769 is about 213.4484954931.

The spelling of 9724769 in words is "nine million, seven hundred twenty-four thousand, seven hundred sixty-nine".