18524073 has 8 divisors (see below), whose sum is σ = 24780448. Its totient is φ = 12308544.

The previous prime is 18524071. The next prime is 18524117. The reversal of 18524073 is 37042581.

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

It is not a de Polignac number, because 18524073 - 2¹ = 18524071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18524073.

It is not an unprimeable number, because it can be changed into a prime (18524071) by changing a digit.

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, 9136 + ... + 10977.

It is an arithmetic number, because the mean of its divisors is an integer number (3097556).

Almost surely, 2^18524073 is an apocalyptic number.

It is an amenable number.

18524073 is a deficient number, since it is larger than the sum of its proper divisors (6256375).

18524073 is a wasteful number, since it uses less digits than its factorization.

18524073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20423.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 18524073 is about 4303.9601531613. The cubic root of 18524073 is about 264.5932909197.

The spelling of 18524073 in words is "eighteen million, five hundred twenty-four thousand, seventy-three".