2019073 has 24 divisors (see below), whose sum is σ = 2633472. Its totient is φ = 1510272.

The previous prime is 2019071. The next prime is 2019077. The reversal of 2019073 is 3709102.

It is not a de Polignac number, because 2019073 - 2¹ = 2019071 is a prime.

It is a Duffinian number.

2019073 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2019071) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 42936 + ... + 42982.

It is an arithmetic number, because the mean of its divisors is an integer number (109728).

2^2019073 is an apocalyptic number.

It is an amenable number.

2019073 is a deficient number, since it is larger than the sum of its proper divisors (614399).

2019073 is a wasteful number, since it uses less digits than its factorization.

2019073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 2019073 is about 1420.9408854699. The cubic root of 2019073 is about 126.3913464473.

The spelling of 2019073 in words is "two million, nineteen thousand, seventy-three".