18074234 has 8 divisors (see below), whose sum is σ = 27374880. Its totient is φ = 8949276.

The previous prime is 18074227. The next prime is 18074249. The reversal of 18074234 is 43247081.

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

It is a junction number, because it is equal to n+sod(n) for n = 18074197 and 18074206.

It is an unprimeable number.

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, 43664 + ... + 44075.

It is an arithmetic number, because the mean of its divisors is an integer number (3421860).

Almost surely, 2^18074234 is an apocalyptic number.

18074234 is a deficient number, since it is larger than the sum of its proper divisors (9300646).

18074234 is a wasteful number, since it uses less digits than its factorization.

18074234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87844.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 18074234 is about 4251.3802464611. The cubic root of 18074234 is about 262.4339195722.

The spelling of 18074234 in words is "eighteen million, seventy-four thousand, two hundred thirty-four".