9749743 has 2 divisors, whose sum is σ = 9749744. Its totient is φ = 9749742.

The previous prime is 9749741. The next prime is 9749801. The reversal of 9749743 is 3479479.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3479479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9749743 - 2¹ = 9749741 is a prime.

Together with 9749741, 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 9749743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9749741) 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, 4874871 + 4874872.

It is an arithmetic number, because the mean of its divisors is an integer number (4874872).

Almost surely, 2^9749743 is an apocalyptic number.

9749743 is a deficient number, since it is larger than the sum of its proper divisors (1).

9749743 is an equidigital number, since it uses as much as digits as its factorization.

9749743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 43.

The square root of 9749743 is about 3122.4578459925. The cubic root of 9749743 is about 213.6310570201.

The spelling of 9749743 in words is "nine million, seven hundred forty-nine thousand, seven hundred forty-three".