9725873 has 2 divisors, whose sum is σ = 9725874. Its totient is φ = 9725872.

The previous prime is 9725839. The next prime is 9725879. The reversal of 9725873 is 3785279.

9725873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8340544 + 1385329 = 2888^2 + 1177^2 .

It is an emirp because it is prime and its reverse (3785279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9725873 - 2⁶ = 9725809 is a prime.

It is a super-2 number, since 2×9725873² = 189185211224258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9725873.

It is not a weakly prime, because it can be changed into another prime (9725879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4862936 + 4862937.

It is an arithmetic number, because the mean of its divisors is an integer number (4862937).

Almost surely, 2^9725873 is an apocalyptic number.

It is an amenable number.

9725873 is a deficient number, since it is larger than the sum of its proper divisors (1).

9725873 is an equidigital number, since it uses as much as digits as its factorization.

9725873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The square root of 9725873 is about 3118.6331942054. The cubic root of 9725873 is about 213.4565724021.

The spelling of 9725873 in words is "nine million, seven hundred twenty-five thousand, eight hundred seventy-three".