9045712 has 40 divisors (see below), whose sum is σ = 19063016. Its totient is φ = 4133376.

The previous prime is 9045697. The next prime is 9045713. The reversal of 9045712 is 2175409.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 69696 + 8976016 = 264^2 + 2996^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9045713) 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, 32518 + ... + 32794.

Almost surely, 2^9045712 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 9045712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9531508).

9045712 is an abundant number, since it is smaller than the sum of its proper divisors (10017304).

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

9045712 is a wasteful number, since it uses less digits than its factorization.

9045712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 9045712 is about 3007.6090171430. The cubic root of 9045712 is about 208.3599536473.

The spelling of 9045712 in words is "nine million, forty-five thousand, seven hundred twelve".