9073638 has 96 divisors (see below), whose sum is σ = 24440832. Its totient is φ = 2376000.

The previous prime is 9073637. The next prime is 9073657. The reversal of 9073638 is 8363709.

9073638 = T₂₅₂ + T₂₅₃ + ... + T₄₁₂.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9073637) 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 47 ways as a sum of consecutive naturals, for example, 89788 + ... + 89888.

It is an arithmetic number, because the mean of its divisors is an integer number (254592).

Almost surely, 2^9073638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9073638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12220416).

9073638 is an abundant number, since it is smaller than the sum of its proper divisors (15367194).

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

9073638 is a wasteful number, since it uses less digits than its factorization.

9073638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 9073638 is about 3012.2479977585. The cubic root of 9073638 is about 208.5741502562.

The spelling of 9073638 in words is "nine million, seventy-three thousand, six hundred thirty-eight".