18852745 has 8 divisors (see below), whose sum is σ = 23954184. Its totient is φ = 14194944.

The previous prime is 18852737. The next prime is 18852773. The reversal of 18852745 is 54725881.

It can be written as a sum of positive squares in 4 ways, for example, as 328329 + 18524416 = 573^2 + 4304^2 .

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 18852745 - 2³ = 18852737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18852698 and 18852707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110814 + ... + 110983.

It is an arithmetic number, because the mean of its divisors is an integer number (2994273).

Almost surely, 2^18852745 is an apocalyptic number.

It is an amenable number.

18852745 is a deficient number, since it is larger than the sum of its proper divisors (5101439).

18852745 is a wasteful number, since it uses less digits than its factorization.

18852745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221819.

The product of its digits is 89600, while the sum is 40.

The square root of 18852745 is about 4341.9747811336. The cubic root of 18852745 is about 266.1490157562.

The spelling of 18852745 in words is "eighteen million, eight hundred fifty-two thousand, seven hundred forty-five".