18714180 has 96 divisors (see below), whose sum is σ = 55738368. Its totient is φ = 4681600.

The previous prime is 18714149. The next prime is 18714181. The reversal of 18714180 is 8141781.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (18714181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97885 + ... + 98075.

It is an arithmetic number, because the mean of its divisors is an integer number (580608).

Almost surely, 2^18714180 is an apocalyptic number.

18714180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18714180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27869184).

18714180 is an abundant number, since it is smaller than the sum of its proper divisors (37024188).

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

18714180 is a wasteful number, since it uses less digits than its factorization.

18714180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 30.

The square root of 18714180 is about 4325.9889042854. The cubic root of 18714180 is about 265.4953592062.

The spelling of 18714180 in words is "eighteen million, seven hundred fourteen thousand, one hundred eighty".