17998743074 has 16 divisors (see below), whose sum is σ = 29267448000. Its totient is φ = 8252096400.

The previous prime is 17998743071. The next prime is 17998743079. The reversal of 17998743074 is 47034789971.

It is not an unprimeable number, because it can be changed into a prime (17998743071) 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 7 ways as a sum of consecutive naturals, for example, 2288324 + ... + 2296175.

It is an arithmetic number, because the mean of its divisors is an integer number (1829215500).

Almost surely, 2^17998743074 is an apocalyptic number.

17998743074 is a deficient number, since it is larger than the sum of its proper divisors (11268704926).

17998743074 is a wasteful number, since it uses less digits than its factorization.

17998743074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584665.

The product of its (nonzero) digits is 10668672, while the sum is 59.

The spelling of 17998743074 in words is "seventeen billion, nine hundred ninety-eight million, seven hundred forty-three thousand, seventy-four".