18342067 has 4 divisors (see below), whose sum is σ = 18385056. Its totient is φ = 18299080.

The previous prime is 18342061. The next prime is 18342101. The reversal of 18342067 is 76024381.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76024381 = 37 ⋅2054713.

It is a cyclic number.

It is not a de Polignac number, because 18342067 - 2¹¹ = 18340019 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18342061) 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 3 ways as a sum of consecutive naturals, for example, 20848 + ... + 21709.

It is an arithmetic number, because the mean of its divisors is an integer number (4596264).

Almost surely, 2^18342067 is an apocalyptic number.

18342067 is a deficient number, since it is larger than the sum of its proper divisors (42989).

18342067 is an equidigital number, since it uses as much as digits as its factorization.

18342067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42988.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 18342067 is about 4282.7639439969. The cubic root of 18342067 is about 263.7238609047.

The spelling of 18342067 in words is "eighteen million, three hundred forty-two thousand, sixty-seven".