18482574 has 32 divisors (see below), whose sum is σ = 40755456. Its totient is φ = 5541120.

The previous prime is 18482549. The next prime is 18482617. The reversal of 18482574 is 47528481.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4959 + ... + 7845.

It is an arithmetic number, because the mean of its divisors is an integer number (1273608).

Almost surely, 2^18482574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18482574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20377728).

18482574 is an abundant number, since it is smaller than the sum of its proper divisors (22272882).

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

18482574 is a wasteful number, since it uses less digits than its factorization.

18482574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000.

The product of its digits is 71680, while the sum is 39.

The square root of 18482574 is about 4299.1364249114. The cubic root of 18482574 is about 264.3955560251.

The spelling of 18482574 in words is "eighteen million, four hundred eighty-two thousand, five hundred seventy-four".