17989073 has 4 divisors (see below), whose sum is σ = 18096960. Its totient is φ = 17881188.

The previous prime is 17989063. The next prime is 17989079. The reversal of 17989073 is 37098971.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 17989073 - 2¹² = 17984977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17989079) 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 3 ways as a sum of consecutive naturals, for example, 53693 + ... + 54026.

It is an arithmetic number, because the mean of its divisors is an integer number (4524240).

Almost surely, 2^17989073 is an apocalyptic number.

It is an amenable number.

17989073 is a deficient number, since it is larger than the sum of its proper divisors (107887).

17989073 is a wasteful number, since it uses less digits than its factorization.

17989073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107886.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 17989073 is about 4241.3527323249. The cubic root of 17989073 is about 262.0210974989.

The spelling of 17989073 in words is "seventeen million, nine hundred eighty-nine thousand, seventy-three".