18073093 has 8 divisors (see below), whose sum is σ = 18766080. Its totient is φ = 17387040.

The previous prime is 18073073. The next prime is 18073103. The reversal of 18073093 is 39037081.

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 18073093 - 2¹³ = 18064901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18073043) 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, 3921 + ... + 7177.

It is an arithmetic number, because the mean of its divisors is an integer number (2345760).

Almost surely, 2^18073093 is an apocalyptic number.

It is an amenable number.

18073093 is a deficient number, since it is larger than the sum of its proper divisors (692987).

18073093 is a wasteful number, since it uses less digits than its factorization.

18073093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 18073093 is about 4251.2460526297. The cubic root of 18073093 is about 262.4283970993.

It can be divided in two parts, 1807 and 3093, that added together give a square (4900 = 70²).

The spelling of 18073093 in words is "eighteen million, seventy-three thousand, ninety-three".