18073474 has 8 divisors (see below), whose sum is σ = 27687168. Its totient is φ = 8844420.

The previous prime is 18073463. The next prime is 18073493. The reversal of 18073474 is 47437081.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96042 + ... + 96229.

It is an arithmetic number, because the mean of its divisors is an integer number (3460896).

Almost surely, 2^18073474 is an apocalyptic number.

18073474 is a deficient number, since it is larger than the sum of its proper divisors (9613694).

18073474 is a wasteful number, since it uses less digits than its factorization.

18073474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192320.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 18073474 is about 4251.2908627851. The cubic root of 18073474 is about 262.4302411762.

The spelling of 18073474 in words is "eighteen million, seventy-three thousand, four hundred seventy-four".