18252748 has 12 divisors (see below), whose sum is σ = 32016600. Its totient is φ = 9105152.

The previous prime is 18252739. The next prime is 18252761. The reversal of 18252748 is 84725281.

It is a congruent number.

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, 3286 + ... + 6877.

It is an arithmetic number, because the mean of its divisors is an integer number (2668050).

Almost surely, 2^18252748 is an apocalyptic number.

It is an amenable number.

18252748 is a deficient number, since it is larger than the sum of its proper divisors (13763852).

18252748 is a wasteful number, since it uses less digits than its factorization.

18252748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10616 (or 10614 counting only the distinct ones).

The product of its digits is 35840, while the sum is 37.

The square root of 18252748 is about 4272.3234896248. The cubic root of 18252748 is about 263.2950853313.

The spelling of 18252748 in words is "eighteen million, two hundred fifty-two thousand, seven hundred forty-eight".