9745743 has 16 divisors (see below), whose sum is σ = 15724800. Its totient is φ = 5241216.

The previous prime is 9745739. The next prime is 9745751. The reversal of 9745743 is 3475479.

It is not a de Polignac number, because 9745743 - 2² = 9745739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9745783) 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 in 15 ways as a sum of consecutive naturals, for example, 13293 + ... + 14006.

It is an arithmetic number, because the mean of its divisors is an integer number (982800).

Almost surely, 2^9745743 is an apocalyptic number.

9745743 is a deficient number, since it is larger than the sum of its proper divisors (5979057).

9745743 is a wasteful number, since it uses less digits than its factorization.

9745743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27326.

The product of its digits is 105840, while the sum is 39.

The square root of 9745743 is about 3121.8172592258. The cubic root of 9745743 is about 213.6018377502.

The spelling of 9745743 in words is "nine million, seven hundred forty-five thousand, seven hundred forty-three".