9073520 has 40 divisors (see below), whose sum is σ = 21828960. Its totient is φ = 3503360.

The previous prime is 9073517. The next prime is 9073531. The reversal of 9073520 is 253709.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 9073520.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 365 + ... + 4275.

It is an arithmetic number, because the mean of its divisors is an integer number (545724).

Almost surely, 2^9073520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9073520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10914480).

9073520 is an abundant number, since it is smaller than the sum of its proper divisors (12755440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9073520 is a wasteful number, since it uses less digits than its factorization.

9073520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953 (or 3947 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 9073520 is about 3012.2284109941. The cubic root of 9073520 is about 208.5732461038.

The spelling of 9073520 in words is "nine million, seventy-three thousand, five hundred twenty".