18033764 has 18 divisors (see below), whose sum is σ = 36711990. Its totient is φ = 7728672.

The previous prime is 18033761. The next prime is 18033773. The reversal of 18033764 is 46733081.

It can be written as a sum of positive squares in only one way, i.e., 14822500 + 3211264 = 3850^2 + 1792^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18033764.

It is not an unprimeable number, because it can be changed into a prime (18033761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45809 + ... + 46200.

It is an arithmetic number, because the mean of its divisors is an integer number (2039555).

Almost surely, 2^18033764 is an apocalyptic number.

18033764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18033764 is an abundant number, since it is smaller than the sum of its proper divisors (18678226).

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

18033764 is a wasteful number, since it uses less digits than its factorization.

18033764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92027 (or 92018 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 18033764 is about 4246.6179484385. The cubic root of 18033764 is about 262.2379013522.

The spelling of 18033764 in words is "eighteen million, thirty-three thousand, seven hundred sixty-four".