9723745 has 16 divisors (see below), whose sum is σ = 12458880. Its totient is φ = 7259904.

The previous prime is 9723713. The next prime is 9723757. The reversal of 9723745 is 5473279.

9723745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9723745 - 2⁵ = 9723713 is a prime.

9723745 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11404 + ... + 12226.

It is an arithmetic number, because the mean of its divisors is an integer number (778680).

Almost surely, 2^9723745 is an apocalyptic number.

It is an amenable number.

9723745 is a deficient number, since it is larger than the sum of its proper divisors (2735135).

9723745 is a wasteful number, since it uses less digits than its factorization.

9723745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984.

The product of its digits is 52920, while the sum is 37.

The square root of 9723745 is about 3118.2920004387. The cubic root of 9723745 is about 213.4410033209.

The spelling of 9723745 in words is "nine million, seven hundred twenty-three thousand, seven hundred forty-five".