18207036 has 36 divisors (see below), whose sum is σ = 46783464. Its totient is φ = 5968800.

The previous prime is 18207031. The next prime is 18207043. The reversal of 18207036 is 63070281.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18207031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1950 + ... + 6341.

Almost surely, 2^18207036 is an apocalyptic number.

It is an amenable number.

18207036 is an abundant number, since it is smaller than the sum of its proper divisors (28576428).

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

18207036 is a wasteful number, since it uses less digits than its factorization.

18207036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8362 (or 8357 counting only the distinct ones).

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

The square root of 18207036 is about 4266.9703537756. The cubic root of 18207036 is about 263.0751037274.

It can be divided in two parts, 182070 and 36, that added together give a triangular number (182106 = T₆₀₃).

The spelling of 18207036 in words is "eighteen million, two hundred seven thousand, thirty-six".