18730752 has 72 divisors (see below), whose sum is σ = 51631440. Its totient is φ = 6028288.

The previous prime is 18730729. The next prime is 18730759. The reversal of 18730752 is 25703781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18730759) 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 7 ways as a sum of consecutive naturals, for example, 645874 + ... + 645902.

Almost surely, 2^18730752 is an apocalyptic number.

18730752 is a gapful number since it is divisible by the number (12) 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 18730752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25815720).

18730752 is an abundant number, since it is smaller than the sum of its proper divisors (32900688).

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

18730752 is an frugal number, since it uses more digits than its factorization.

18730752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 18730752 is about 4327.9038806332. The cubic root of 18730752 is about 265.5737042724.

The spelling of 18730752 in words is "eighteen million, seven hundred thirty thousand, seven hundred fifty-two".