9745543 has 4 divisors (see below), whose sum is σ = 9905368. Its totient is φ = 9585720.

The previous prime is 9745529. The next prime is 9745559. The reversal of 9745543 is 3455479.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9745543 - 2⁵ = 9745511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9745513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79821 + ... + 79942.

It is an arithmetic number, because the mean of its divisors is an integer number (2476342).

Almost surely, 2^9745543 is an apocalyptic number.

9745543 is a deficient number, since it is larger than the sum of its proper divisors (159825).

9745543 is a wasteful number, since it uses less digits than its factorization.

9745543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159824.

The product of its digits is 75600, while the sum is 37.

The square root of 9745543 is about 3121.7852264370. The cubic root of 9745543 is about 213.6003765768.

Subtracting from 9745543 its reverse (3455479), we obtain a square (6290064 = 2508²).

The spelling of 9745543 in words is "nine million, seven hundred forty-five thousand, five hundred forty-three".