18034872 has 16 divisors (see below), whose sum is σ = 45087240. Its totient is φ = 6011616.

The previous prime is 18034867. The next prime is 18034879. The reversal of 18034872 is 27843081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18034879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375703 + ... + 375750.

Almost surely, 2^18034872 is an apocalyptic number.

18034872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18034872 is an abundant number, since it is smaller than the sum of its proper divisors (27052368).

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

18034872 is a wasteful number, since it uses less digits than its factorization.

18034872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751462 (or 751458 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 18034872 is about 4246.7484031904. The cubic root of 18034872 is about 262.2432719012.

The spelling of 18034872 in words is "eighteen million, thirty-four thousand, eight hundred seventy-two".