9840073 has 2 divisors, whose sum is σ = 9840074. Its totient is φ = 9840072.

The previous prime is 9840071. The next prime is 9840091. The reversal of 9840073 is 3700489.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9653449 + 186624 = 3107^2 + 432^2 .

It is a cyclic number.

It is not a de Polignac number, because 9840073 - 2¹ = 9840071 is a prime.

Together with 9840071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9840071) 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, 4920036 + 4920037.

It is an arithmetic number, because the mean of its divisors is an integer number (4920037).

Almost surely, 2^9840073 is an apocalyptic number.

It is an amenable number.

9840073 is a deficient number, since it is larger than the sum of its proper divisors (1).

9840073 is an equidigital number, since it uses as much as digits as its factorization.

9840073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 9840073 is about 3136.8890640251. The cubic root of 9840073 is about 214.2887838502.

It can be divided in two parts, 9 and 840073, that multiplied together give a palindrome (7560657).

The spelling of 9840073 in words is "nine million, eight hundred forty thousand, seventy-three".