18745463 has 8 divisors (see below), whose sum is σ = 20925696. Its totient is φ = 16644600.

The previous prime is 18745439. The next prime is 18745477. The reversal of 18745463 is 36454781.

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 18745463 - 2⁶ = 18745399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18745403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19343 + ... + 20288.

It is an arithmetic number, because the mean of its divisors is an integer number (2615712).

Almost surely, 2^18745463 is an apocalyptic number.

18745463 is a deficient number, since it is larger than the sum of its proper divisors (2180233).

18745463 is a wasteful number, since it uses less digits than its factorization.

18745463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39685.

The product of its digits is 80640, while the sum is 38.

The square root of 18745463 is about 4329.6030995924. The cubic root of 18745463 is about 265.6432126474.

It can be divided in two parts, 1874 and 5463, that added together give a palindrome (7337).

The spelling of 18745463 in words is "eighteen million, seven hundred forty-five thousand, four hundred sixty-three".