18067342 has 4 divisors (see below), whose sum is σ = 27101016. Its totient is φ = 9033670.

The previous prime is 18067339. The next prime is 18067363. The reversal of 18067342 is 24376081.

It is a semiprime because it is the product of two primes.

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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4516834 + ... + 4516837.

It is an arithmetic number, because the mean of its divisors is an integer number (6775254).

Almost surely, 2^18067342 is an apocalyptic number.

18067342 is a deficient number, since it is larger than the sum of its proper divisors (9033674).

18067342 is an equidigital number, since it uses as much as digits as its factorization.

18067342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9033673.

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

The square root of 18067342 is about 4250.5696088877. The cubic root of 18067342 is about 262.4005585546.

The spelling of 18067342 in words is "eighteen million, sixty-seven thousand, three hundred forty-two".