9722726 has 8 divisors (see below), whose sum is σ = 15705984. Its totient is φ = 4487400.

The previous prime is 9722723. The next prime is 9722771. The reversal of 9722726 is 6272279.

9722726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9722723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186950 + ... + 187001.

It is an arithmetic number, because the mean of its divisors is an integer number (1963248).

Almost surely, 2^9722726 is an apocalyptic number.

9722726 is a deficient number, since it is larger than the sum of its proper divisors (5983258).

9722726 is a wasteful number, since it uses less digits than its factorization.

9722726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373966.

The product of its digits is 21168, while the sum is 35.

The square root of 9722726 is about 3118.1286054299. The cubic root of 9722726 is about 213.4335472094.

The spelling of 9722726 in words is "nine million, seven hundred twenty-two thousand, seven hundred twenty-six".