18025704 has 96 divisors (see below), whose sum is σ = 51597000. Its totient is φ = 5677056.

The previous prime is 18025703. The next prime is 18025717. The reversal of 18025704 is 40752081.

It can be written as a sum of positive squares in 4 ways, for example, as 12744900 + 5280804 = 3570^2 + 2298^2 .

It is not an unprimeable number, because it can be changed into a prime (18025703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185784 + ... + 185880.

Almost surely, 2^18025704 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 18025704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25798500).

18025704 is an abundant number, since it is smaller than the sum of its proper divisors (33571296).

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

18025704 is a wasteful number, since it uses less digits than its factorization.

18025704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 18025704 is about 4245.6688519007. The cubic root of 18025704 is about 262.1988273786.

Adding to 18025704 its reverse (40752081), we get a palindrome (58777785).

The spelling of 18025704 in words is "eighteen million, twenty-five thousand, seven hundred four".