19030745 has 16 divisors (see below), whose sum is σ = 23984640. Its totient is φ = 14476800.

The previous prime is 19030733. The next prime is 19030751. The reversal of 19030745 is 54703091.

It is not a de Polignac number, because 19030745 - 2¹⁰ = 19029721 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 8105 + ... + 10185.

It is an arithmetic number, because the mean of its divisors is an integer number (1499040).

Almost surely, 2^19030745 is an apocalyptic number.

It is an amenable number.

19030745 is a deficient number, since it is larger than the sum of its proper divisors (4953895).

19030745 is a wasteful number, since it uses less digits than its factorization.

19030745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 19030745 is about 4362.4242113761. The cubic root of 19030745 is about 266.9840171480.

The spelling of 19030745 in words is "nineteen million, thirty thousand, seven hundred forty-five".