18073115 has 8 divisors (see below), whose sum is σ = 22192368. Its totient is φ = 14122080.

The previous prime is 18073103. The next prime is 18073127. The reversal of 18073115 is 51137081.

It is an interprime number because it is at equal distance from previous prime (18073103) and next prime (18073127).

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

It is a de Polignac number, because none of the positive numbers 2^k-18073115 is a prime.

It is a Duffinian number.

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, 41816 + ... + 42245.

It is an arithmetic number, because the mean of its divisors is an integer number (2774046).

Almost surely, 2^18073115 is an apocalyptic number.

18073115 is a deficient number, since it is larger than the sum of its proper divisors (4119253).

18073115 is an equidigital number, since it uses as much as digits as its factorization.

18073115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84109.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 18073115 is about 4251.2486401056. The cubic root of 18073115 is about 262.4285035821.

The spelling of 18073115 in words is "eighteen million, seventy-three thousand, one hundred fifteen".