9640743 has 16 divisors (see below), whose sum is σ = 14784000. Its totient is φ = 5474016.

The previous prime is 9640739. The next prime is 9640811. The reversal of 9640743 is 3470469.

9640743 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9640743 - 2² = 9640739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9641743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2133 + ... + 4881.

It is an arithmetic number, because the mean of its divisors is an integer number (924000).

Almost surely, 2^9640743 is an apocalyptic number.

9640743 is a deficient number, since it is larger than the sum of its proper divisors (5143257).

9640743 is a wasteful number, since it uses less digits than its factorization.

9640743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 9640743 is about 3104.9545890399. The cubic root of 9640743 is about 212.8319554471.

The spelling of 9640743 in words is "nine million, six hundred forty thousand, seven hundred forty-three".