18744795 has 48 divisors (see below), whose sum is σ = 34875360. Its totient is φ = 9280512.

The previous prime is 18744731. The next prime is 18744823. The reversal of 18744795 is 59744781.

It is a happy number.

It is not a de Polignac number, because 18744795 - 2⁶ = 18744731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 18744795.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81741 + ... + 81969.

It is an arithmetic number, because the mean of its divisors is an integer number (726570).

Almost surely, 2^18744795 is an apocalyptic number.

18744795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18744795 is a deficient number, since it is larger than the sum of its proper divisors (16130565).

18744795 is a wasteful number, since it uses less digits than its factorization.

18744795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364 (or 361 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 18744795 is about 4329.5259555753. The cubic root of 18744795 is about 265.6400571857.

The spelling of 18744795 in words is "eighteen million, seven hundred forty-four thousand, seven hundred ninety-five".