9872741 has 2 divisors, whose sum is σ = 9872742. Its totient is φ = 9872740.

The previous prime is 9872729. The next prime is 9872749. The reversal of 9872741 is 1472789.

9872741 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., 8236900 + 1635841 = 2870^2 + 1279^2 .

It is an emirp because it is prime and its reverse (1472789) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9872741 - 2²² = 5678437 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 9872695 and 9872704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9872749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4936370 + 4936371.

It is an arithmetic number, because the mean of its divisors is an integer number (4936371).

Almost surely, 2^9872741 is an apocalyptic number.

It is an amenable number.

9872741 is a deficient number, since it is larger than the sum of its proper divisors (1).

9872741 is an equidigital number, since it uses as much as digits as its factorization.

9872741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 38.

The square root of 9872741 is about 3142.0918191549. The cubic root of 9872741 is about 214.5256605956.

The spelling of 9872741 in words is "nine million, eight hundred seventy-two thousand, seven hundred forty-one".