9726073 has 4 divisors (see below), whose sum is σ = 11115520. Its totient is φ = 8336628.

The previous prime is 9726071. The next prime is 9726089. The reversal of 9726073 is 3706279.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3706279 = 47 ⋅78857.

It is a cyclic number.

It is not a de Polignac number, because 9726073 - 2¹ = 9726071 is a prime.

It is a Duffinian number.

9726073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9726071) 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 3 ways as a sum of consecutive naturals, for example, 694713 + ... + 694726.

It is an arithmetic number, because the mean of its divisors is an integer number (2778880).

Almost surely, 2^9726073 is an apocalyptic number.

It is an amenable number.

9726073 is a deficient number, since it is larger than the sum of its proper divisors (1389447).

9726073 is a wasteful number, since it uses less digits than its factorization.

9726073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389446.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 9726073 is about 3118.6652593698. The cubic root of 9726073 is about 213.4580355449.

The spelling of 9726073 in words is "nine million, seven hundred twenty-six thousand, seventy-three".