18648752 has 20 divisors (see below), whose sum is σ = 36202296. Its totient is φ = 9306240.

The previous prime is 18648733. The next prime is 18648761. The reversal of 18648752 is 25784681.

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, 11852 + ... + 13332.

Almost surely, 2^18648752 is an apocalyptic number.

It is an amenable number.

18648752 is a deficient number, since it is larger than the sum of its proper divisors (17553544).

18648752 is a wasteful number, since it uses less digits than its factorization.

18648752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276 (or 2270 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 18648752 is about 4318.4200814650. The cubic root of 18648752 is about 265.1855920745.

The spelling of 18648752 in words is "eighteen million, six hundred forty-eight thousand, seven hundred fifty-two".