9909073 has 8 divisors (see below), whose sum is σ = 10068480. Its totient is φ = 9751200.

The previous prime is 9909071. The next prime is 9909091. The reversal of 9909073 is 3709099.

It is a happy number.

9909073 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 cyclic number.

It is not a de Polignac number, because 9909073 - 2¹ = 9909071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9909071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20448 + ... + 20926.

It is an arithmetic number, because the mean of its divisors is an integer number (1258560).

Almost surely, 2^9909073 is an apocalyptic number.

It is an amenable number.

9909073 is a deficient number, since it is larger than the sum of its proper divisors (159407).

9909073 is a wasteful number, since it uses less digits than its factorization.

9909073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767.

The product of its (nonzero) digits is 15309, while the sum is 37.

The square root of 9909073 is about 3147.8680086687. The cubic root of 9909073 is about 214.7884921942.

The spelling of 9909073 in words is "nine million, nine hundred nine thousand, seventy-three".