18734334 has 16 divisors (see below), whose sum is σ = 38176272. Its totient is φ = 6126848.

The previous prime is 18734333. The next prime is 18734371. The reversal of 18734334 is 43343781.

It is a junction number, because it is equal to n+sod(n) for n = 18734295 and 18734304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18734333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29139 + ... + 29774.

It is an arithmetic number, because the mean of its divisors is an integer number (2386017).

Almost surely, 2^18734334 is an apocalyptic number.

18734334 is an abundant number, since it is smaller than the sum of its proper divisors (19441938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18734334 is a wasteful number, since it uses less digits than its factorization.

18734334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58971.

The product of its digits is 24192, while the sum is 33.

The square root of 18734334 is about 4328.3176870466. The cubic root of 18734334 is about 265.5906323056.

The spelling of 18734334 in words is "eighteen million, seven hundred thirty-four thousand, three hundred thirty-four".