18068624 has 40 divisors (see below), whose sum is σ = 41396160. Its totient is φ = 7475328.

The previous prime is 18068621. The next prime is 18068647. The reversal of 18068624 is 42686081.

It is not an unprimeable number, because it can be changed into a prime (18068621) 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, 467 + ... + 6029.

It is an arithmetic number, because the mean of its divisors is an integer number (1034904).

Almost surely, 2^18068624 is an apocalyptic number.

18068624 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18068624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20698080).

18068624 is an abundant number, since it is smaller than the sum of its proper divisors (23327536).

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

18068624 is a wasteful number, since it uses less digits than its factorization.

18068624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5607 (or 5601 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 18068624 is about 4250.7204095306. The cubic root of 18068624 is about 262.4067647721.

The spelling of 18068624 in words is "eighteen million, sixty-eight thousand, six hundred twenty-four".