18460272 has 20 divisors (see below), whose sum is σ = 47689160. Its totient is φ = 6153408.

The previous prime is 18460261. The next prime is 18460289. The reversal of 18460272 is 27206481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192247 + ... + 192342.

It is an arithmetic number, because the mean of its divisors is an integer number (2384458).

Almost surely, 2^18460272 is an apocalyptic number.

18460272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18460272 is an abundant number, since it is smaller than the sum of its proper divisors (29228888).

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

18460272 is a wasteful number, since it uses less digits than its factorization.

18460272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384600 (or 384594 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 18460272 is about 4296.5418652679. The cubic root of 18460272 is about 264.2891689138.

The spelling of 18460272 in words is "eighteen million, four hundred sixty thousand, two hundred seventy-two".