9273540 has 48 divisors (see below), whose sum is σ = 26191872. Its totient is φ = 2451456.

The previous prime is 9273527. The next prime is 9273541. The reversal of 9273540 is 453729.

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

It is a junction number, because it is equal to n+sod(n) for n = 9273498 and 9273507.

It is not an unprimeable number, because it can be changed into a prime (9273541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7012 + ... + 8228.

It is an arithmetic number, because the mean of its divisors is an integer number (545664).

Almost surely, 2^9273540 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 9273540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13095936).

9273540 is an abundant number, since it is smaller than the sum of its proper divisors (16918332).

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

9273540 is a wasteful number, since it uses less digits than its factorization.

9273540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356 (or 1354 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 9273540 is about 3045.2487583119. The cubic root of 9273540 is about 210.0947418311.

The spelling of 9273540 in words is "nine million, two hundred seventy-three thousand, five hundred forty".