18049752 has 96 divisors (see below), whose sum is σ = 56908800. Its totient is φ = 5061312.

The previous prime is 18049729. The next prime is 18049763. The reversal of 18049752 is 25794081.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29433 + ... + 30039.

It is an arithmetic number, because the mean of its divisors is an integer number (592800).

Almost surely, 2^18049752 is an apocalyptic number.

18049752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is a pronic number, being equal to 4248×4249.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18049752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28454400).

18049752 is an abundant number, since it is smaller than the sum of its proper divisors (38859048).

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

18049752 is a wasteful number, since it uses less digits than its factorization.

18049752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 18049752 is about 4248.4999705779. The cubic root of 18049752 is about 262.3153749393.

The spelling of 18049752 in words is "eighteen million, forty-nine thousand, seven hundred fifty-two".