9726573 has 4 divisors (see below), whose sum is σ = 12968768. Its totient is φ = 6484380.

The previous prime is 9726569. The next prime is 9726617. The reversal of 9726573 is 3756279.

9726573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9726573 - 2² = 9726569 is a prime.

It is a Duffinian number.

9726573 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9726173) 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, 1621093 + ... + 1621098.

It is an arithmetic number, because the mean of its divisors is an integer number (3242192).

Almost surely, 2^9726573 is an apocalyptic number.

It is an amenable number.

9726573 is a deficient number, since it is larger than the sum of its proper divisors (3242195).

9726573 is a wasteful number, since it uses less digits than its factorization.

9726573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242194.

The product of its digits is 79380, while the sum is 39.

The square root of 9726573 is about 3118.7454208383. The cubic root of 9726573 is about 213.4616933140.

The spelling of 9726573 in words is "nine million, seven hundred twenty-six thousand, five hundred seventy-three".