9729493 has 2 divisors, whose sum is σ = 9729494. Its totient is φ = 9729492.

The previous prime is 9729487. The next prime is 9729497. The reversal of 9729493 is 3949279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9721924 + 7569 = 3118^2 + 87^2 .

It is a cyclic number.

It is not a de Polignac number, because 9729493 - 2¹³ = 9721301 is a prime.

It is a d-powerful number, because it can be written as 9⁴ + 7⁶ + 2¹⁵ + 9⁴ + 4² + 9⁷ + 3¹⁴ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9729497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4864746 + 4864747.

It is an arithmetic number, because the mean of its divisors is an integer number (4864747).

Almost surely, 2^9729493 is an apocalyptic number.

It is an amenable number.

9729493 is a deficient number, since it is larger than the sum of its proper divisors (1).

9729493 is an equidigital number, since it uses as much as digits as its factorization.

9729493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 43.

The square root of 9729493 is about 3119.2135226688. The cubic root of 9729493 is about 213.4830521825.

The spelling of 9729493 in words is "nine million, seven hundred twenty-nine thousand, four hundred ninety-three".