9018745 has 8 divisors (see below), whose sum is σ = 11027016. Its totient is φ = 7078656.

The previous prime is 9018743. The next prime is 9018761. The reversal of 9018745 is 5478109.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2408704 + 6610041 = 1552^2 + 2571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9018745 - 2¹ = 9018743 is a prime.

It is a super-2 number, since 2×9018745² = 162675522750050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9018745.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9018743) 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 7 ways as a sum of consecutive naturals, for example, 16752 + ... + 17281.

It is an arithmetic number, because the mean of its divisors is an integer number (1378377).

Almost surely, 2^9018745 is an apocalyptic number.

It is an amenable number.

9018745 is a deficient number, since it is larger than the sum of its proper divisors (2008271).

9018745 is a wasteful number, since it uses less digits than its factorization.

9018745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34091.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 9018745 is about 3003.1225416223. The cubic root of 9018745 is about 208.1526939073.

The spelling of 9018745 in words is "nine million, eighteen thousand, seven hundred forty-five".