9740729 has 2 divisors, whose sum is σ = 9740730. Its totient is φ = 9740728.

The previous prime is 9740719. The next prime is 9740737. The reversal of 9740729 is 9270479.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5053504 + 4687225 = 2248^2 + 2165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9740729 is a prime.

It is a zygodrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 9740692 and 9740701.

It is not a weakly prime, because it can be changed into another prime (9740719) 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, 4870364 + 4870365.

It is an arithmetic number, because the mean of its divisors is an integer number (4870365).

Almost surely, 2^9740729 is an apocalyptic number.

It is an amenable number.

9740729 is a deficient number, since it is larger than the sum of its proper divisors (1).

9740729 is an equidigital number, since it uses as much as digits as its factorization.

9740729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 9740729 is about 3121.0140980137. The cubic root of 9740729 is about 213.5652001011.

The spelling of 9740729 in words is "nine million, seven hundred forty thousand, seven hundred twenty-nine".