9273720 has 64 divisors (see below), whose sum is σ = 28116000. Its totient is φ = 2446848.

The previous prime is 9273713. The next prime is 9273739. The reversal of 9273720 is 273729.

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, 12726 + ... + 13434.

Almost surely, 2^9273720 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 9273720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14058000).

9273720 is an abundant number, since it is smaller than the sum of its proper divisors (18842280).

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

9273720 is a wasteful number, since it uses less digits than its factorization.

9273720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 9273720 is about 3045.2783124043. The cubic root of 9273720 is about 210.0961011398.

The spelling of 9273720 in words is "nine million, two hundred seventy-three thousand, seven hundred twenty".