18733230 has 24 divisors (see below), whose sum is σ = 48706632. Its totient is φ = 4995504.

The previous prime is 18733223. The next prime is 18733241. The reversal of 18733230 is 3233781.

It is a junction number, because it is equal to n+sod(n) for n = 18733194 and 18733203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103984 + ... + 104163.

It is an arithmetic number, because the mean of its divisors is an integer number (2029443).

Almost surely, 2^18733230 is an apocalyptic number.

18733230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18733230 is an abundant number, since it is smaller than the sum of its proper divisors (29973402).

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

18733230 is a wasteful number, since it uses less digits than its factorization.

18733230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208160 (or 208157 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 18733230 is about 4328.1901529392. The cubic root of 18733230 is about 265.5854151854.

The spelling of 18733230 in words is "eighteen million, seven hundred thirty-three thousand, two hundred thirty".