9274728 has 32 divisors (see below), whose sum is σ = 23270400. Its totient is φ = 3080448.

The previous prime is 9274721. The next prime is 9274739. The reversal of 9274728 is 8274729.

It is not an unprimeable number, because it can be changed into a prime (9274721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8688 + ... + 9696.

It is an arithmetic number, because the mean of its divisors is an integer number (727200).

Almost surely, 2^9274728 is an apocalyptic number.

It is an amenable number.

9274728 is an abundant number, since it is smaller than the sum of its proper divisors (13995672).

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

9274728 is a wasteful number, since it uses less digits than its factorization.

9274728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401 (or 1397 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 9274728 is about 3045.4438100218. The cubic root of 9274728 is about 210.1037129431.

Subtracting from 9274728 its reverse (8274729), we obtain a palindrome (999999).

The spelling of 9274728 in words is "nine million, two hundred seventy-four thousand, seven hundred twenty-eight".