9497728 has 16 divisors (see below), whose sum is σ = 18921510. Its totient is φ = 4748800.

The previous prime is 9497693. The next prime is 9497767. The reversal of 9497728 is 8277949.

It can be written as a sum of positive squares in only one way, i.e., 9193024 + 304704 = 3032^2 + 552^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36973 + ... + 37228.

Almost surely, 2^9497728 is an apocalyptic number.

It is an amenable number.

9497728 is a deficient number, since it is larger than the sum of its proper divisors (9423782).

9497728 is an equidigital number, since it uses as much as digits as its factorization.

9497728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74215 (or 74203 counting only the distinct ones).

The product of its digits is 254016, while the sum is 46.

The square root of 9497728 is about 3081.8384123766. The cubic root of 9497728 is about 211.7742940224.

The spelling of 9497728 in words is "nine million, four hundred ninety-seven thousand, seven hundred twenty-eight".