18734055 has 16 divisors (see below), whose sum is σ = 30313440. Its totient is φ = 9878528.

The previous prime is 18734047. The next prime is 18734081. The reversal of 18734055 is 55043781.

It is a cyclic number.

It is not a de Polignac number, because 18734055 - 2³ = 18734047 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5682 + ... + 8351.

It is an arithmetic number, because the mean of its divisors is an integer number (1894590).

Almost surely, 2^18734055 is an apocalyptic number.

18734055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18734055 is a deficient number, since it is larger than the sum of its proper divisors (11579385).

18734055 is a wasteful number, since it uses less digits than its factorization.

18734055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14130.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 18734055 is about 4328.2854573145. The cubic root of 18734055 is about 265.5893138679.

The spelling of 18734055 in words is "eighteen million, seven hundred thirty-four thousand, fifty-five".