18270036 has 120 divisors (see below), whose sum is σ = 52690176. Its totient is φ = 5495040.

The previous prime is 18270023. The next prime is 18270041. The reversal of 18270036 is 63007281.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 18269991 and 18270009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 170695 + ... + 170801.

Almost surely, 2^18270036 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 18270036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26345088).

18270036 is an abundant number, since it is smaller than the sum of its proper divisors (34420140).

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

18270036 is a wasteful number, since it uses less digits than its factorization.

18270036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 18270036 is about 4274.3462658049. The cubic root of 18270036 is about 263.3781853136.

The spelling of 18270036 in words is "eighteen million, two hundred seventy thousand, thirty-six".