18749032 has 16 divisors (see below), whose sum is σ = 35972640. Its totient is φ = 9156336.

The previous prime is 18749009. The next prime is 18749057. The reversal of 18749032 is 23094781.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 26908 + ... + 27595.

It is an arithmetic number, because the mean of its divisors is an integer number (2248290).

Almost surely, 2^18749032 is an apocalyptic number.

It is an amenable number.

18749032 is a deficient number, since it is larger than the sum of its proper divisors (17223608).

18749032 is a wasteful number, since it uses less digits than its factorization.

18749032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54552 (or 54548 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 18749032 is about 4330.0152424674. The cubic root of 18749032 is about 265.6600704237.

The spelling of 18749032 in words is "eighteen million, seven hundred forty-nine thousand, thirty-two".