18316073 has 8 divisors (see below), whose sum is σ = 19629888. Its totient is φ = 17045424.

The previous prime is 18316063. The next prime is 18316093. The reversal of 18316073 is 37061381.

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 18316073 - 2¹⁰ = 18315049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18316003) 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, 9911 + ... + 11612.

It is an arithmetic number, because the mean of its divisors is an integer number (2453736).

Almost surely, 2^18316073 is an apocalyptic number.

It is an amenable number.

18316073 is a deficient number, since it is larger than the sum of its proper divisors (1313815).

18316073 is a wasteful number, since it uses less digits than its factorization.

18316073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21583.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 18316073 is about 4279.7281455719. The cubic root of 18316073 is about 263.5992206636.

The spelling of 18316073 in words is "eighteen million, three hundred sixteen thousand, seventy-three".