18073308 has 48 divisors (see below), whose sum is σ = 48013056. Its totient is φ = 5237760.

The previous prime is 18073291. The next prime is 18073309. The reversal of 18073308 is 80337081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18073309) 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 15 ways as a sum of consecutive naturals, for example, 60 + ... + 6012.

It is an arithmetic number, because the mean of its divisors is an integer number (1000272).

Almost surely, 2^18073308 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 18073308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24006528).

18073308 is an abundant number, since it is smaller than the sum of its proper divisors (29939748).

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

18073308 is a wasteful number, since it uses less digits than its factorization.

18073308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5994 (or 5992 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 18073308 is about 4251.2713392584. The cubic root of 18073308 is about 262.4294377233.

It can be divided in two parts, 18073 and 308, that added together give a palindrome (18381).

The spelling of 18073308 in words is "eighteen million, seventy-three thousand, three hundred eight".