9273240 has 48 divisors (see below), whose sum is σ = 30139200. Its totient is φ = 2472768.

The previous prime is 9273227. The next prime is 9273287. The reversal of 9273240 is 423729.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12520 + ... + 13239.

It is an arithmetic number, because the mean of its divisors is an integer number (627900).

Almost surely, 2^9273240 is an apocalyptic number.

9273240 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9273240 is an abundant number, since it is smaller than the sum of its proper divisors (20865960).

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

9273240 is a wasteful number, since it uses less digits than its factorization.

9273240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25776 (or 25769 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 9273240 is about 3045.1995008538. The cubic root of 9273240 is about 210.0924762777.

Adding to 9273240 its reverse (423729), we get a palindrome (9696969).

The spelling of 9273240 in words is "nine million, two hundred seventy-three thousand, two hundred forty".