18754745 has 8 divisors (see below), whose sum is σ = 23114184. Its totient is φ = 14598144.

The previous prime is 18754717. The next prime is 18754759. The reversal of 18754745 is 54745781.

It can be written as a sum of positive squares in 4 ways, for example, as 10010896 + 8743849 = 3164^2 + 2957^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18754745 - 2¹² = 18750649 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 50504 + ... + 50873.

It is an arithmetic number, because the mean of its divisors is an integer number (2889273).

Almost surely, 2^18754745 is an apocalyptic number.

It is an amenable number.

18754745 is a deficient number, since it is larger than the sum of its proper divisors (4359439).

18754745 is a wasteful number, since it uses less digits than its factorization.

18754745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101419.

The product of its digits is 156800, while the sum is 41.

The square root of 18754745 is about 4330.6748896679. The cubic root of 18754745 is about 265.6870506940.

The spelling of 18754745 in words is "eighteen million, seven hundred fifty-four thousand, seven hundred forty-five".