9075681 has 6 divisors (see below), whose sum is σ = 13109330. Its totient is φ = 6050448.

The previous prime is 9075679. The next prime is 9075683. The reversal of 9075681 is 1865709.

9075681 is a `hidden beast` number, since 90 + 7 + 568 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (9075679) and next prime (9075683).

It can be written as a sum of positive squares in only one way, i.e., 8946081 + 129600 = 2991^2 + 360^2 .

It is not a de Polignac number, because 9075681 - 2¹ = 9075679 is a prime.

It is a super-2 number, since 2×9075681² = 164735971227522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9075683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 504196 + ... + 504213.

Almost surely, 2^9075681 is an apocalyptic number.

It is an amenable number.

9075681 is a deficient number, since it is larger than the sum of its proper divisors (4033649).

9075681 is a wasteful number, since it uses less digits than its factorization.

9075681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008415 (or 1008412 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 9075681 is about 3012.5870941767. The cubic root of 9075681 is about 208.5898031109.

The spelling of 9075681 in words is "nine million, seventy-five thousand, six hundred eighty-one".