9075720 has 64 divisors (see below), whose sum is σ = 27760320. Its totient is φ = 2372864.

The previous prime is 9075713. The next prime is 9075733. The reversal of 9075720 is 275709.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5647 + ... + 7073.

It is an arithmetic number, because the mean of its divisors is an integer number (433755).

Almost surely, 2^9075720 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 9075720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13880160).

9075720 is an abundant number, since it is smaller than the sum of its proper divisors (18684600).

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

9075720 is a wasteful number, since it uses less digits than its factorization.

9075720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494 (or 1490 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 9075720 is about 3012.5935670117. The cubic root of 9075720 is about 208.5901018944.

The spelling of 9075720 in words is "nine million, seventy-five thousand, seven hundred twenty".