9773641 has 2 divisors, whose sum is σ = 9773642. Its totient is φ = 9773640.

The previous prime is 9773639. The next prime is 9773653. The reversal of 9773641 is 1463779.

9773641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8094025 + 1679616 = 2845^2 + 1296^2 .

It is a cyclic number.

It is not a de Polignac number, because 9773641 - 2¹ = 9773639 is a prime.

Together with 9773639, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9773641.

It is not a weakly prime, because it can be changed into another prime (9773671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4886820 + 4886821.

It is an arithmetic number, because the mean of its divisors is an integer number (4886821).

Almost surely, 2^9773641 is an apocalyptic number.

It is an amenable number.

9773641 is a deficient number, since it is larger than the sum of its proper divisors (1).

9773641 is an equidigital number, since it uses as much as digits as its factorization.

9773641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 37.

The square root of 9773641 is about 3126.2822969143. The cubic root of 9773641 is about 213.8054612533.

The spelling of 9773641 in words is "nine million, seven hundred seventy-three thousand, six hundred forty-one".