9390720 has 128 divisors (see below), whose sum is σ = 30795840. Its totient is φ = 2433024.

The previous prime is 9390713. The next prime is 9390757. The reversal of 9390720 is 270939.

It is a tau number, because it is divible by the number of its divisors (128).

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

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, 128604 + ... + 128676.

Almost surely, 2^9390720 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 9390720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15397920).

9390720 is an abundant number, since it is smaller than the sum of its proper divisors (21405120).

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

9390720 is a wasteful number, since it uses less digits than its factorization.

9390720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 9390720 is about 3064.4281685169. The cubic root of 9390720 is about 210.9759561710.

The spelling of 9390720 in words is "nine million, three hundred ninety thousand, seven hundred twenty".