19073 has 2 divisors, whose sum is σ = 19074. Its totient is φ = 19072.

The previous prime is 19069. The next prime is 19079. The reversal of 19073 is 37091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10609 + 8464 = 103^2 + 92^2 .

It is a cyclic number.

It is not a de Polignac number, because 19073 - 2² = 19069 is a prime.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (19079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9536 + 9537.

It is an arithmetic number, because the mean of its divisors is an integer number (9537).

2¹⁹⁰⁷³ is an apocalyptic number.

It is an amenable number.

19073 is a deficient number, since it is larger than the sum of its proper divisors (1).

19073 is an equidigital number, since it uses as much as digits as its factorization.

19073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 19073 is about 138.1050324934. The cubic root of 19073 is about 26.7181470801.

The spelling of 19073 in words is "nineteen thousand, seventy-three".