18034072 has 16 divisors (see below), whose sum is σ = 38644560. Its totient is φ = 7728864.

The previous prime is 18034069. The next prime is 18034103. The reversal of 18034072 is 27043081.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160963 + ... + 161074.

It is an arithmetic number, because the mean of its divisors is an integer number (2415285).

Almost surely, 2^18034072 is an apocalyptic number.

It is an amenable number.

18034072 is an abundant number, since it is smaller than the sum of its proper divisors (20610488).

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

18034072 is a wasteful number, since it uses less digits than its factorization.

18034072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322050 (or 322046 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 18034072 is about 4246.6542124360. The cubic root of 18034072 is about 262.2393942705.

Subtracting 18034072 from its reverse (27043081), we obtain a palindrome (9009009).

The spelling of 18034072 in words is "eighteen million, thirty-four thousand, seventy-two".