18075488 has 48 divisors (see below), whose sum is σ = 38102400. Its totient is φ = 8411136.

The previous prime is 18075481. The next prime is 18075503. The reversal of 18075488 is 88457081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18075481) 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, 80945 + ... + 81167.

It is an arithmetic number, because the mean of its divisors is an integer number (793800).

Almost surely, 2^18075488 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 18075488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19051200).

18075488 is an abundant number, since it is smaller than the sum of its proper divisors (20026912).

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

18075488 is a wasteful number, since it uses less digits than its factorization.

18075488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 18075488 is about 4251.5277254182. The cubic root of 18075488 is about 262.4399887003.

The spelling of 18075488 in words is "eighteen million, seventy-five thousand, four hundred eighty-eight".