9705945 has 16 divisors (see below), whose sum is σ = 16031232. Its totient is φ = 5009280.

The previous prime is 9705911. The next prime is 9705947. The reversal of 9705945 is 5495079.

It is not a de Polignac number, because 9705945 - 2¹⁵ = 9673177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9705947) 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 15 ways as a sum of consecutive naturals, for example, 9972 + ... + 10901.

It is an arithmetic number, because the mean of its divisors is an integer number (1001952).

Almost surely, 2^9705945 is an apocalyptic number.

It is an amenable number.

9705945 is a deficient number, since it is larger than the sum of its proper divisors (6325287).

9705945 is a wasteful number, since it uses less digits than its factorization.

9705945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20912.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 9705945 is about 3115.4365665184. The cubic root of 9705945 is about 213.3106841732.

The spelling of 9705945 in words is "nine million, seven hundred five thousand, nine hundred forty-five".