19895073 has 16 divisors (see below), whose sum is σ = 29937600. Its totient is φ = 11641280.

The previous prime is 19895059. The next prime is 19895129. The reversal of 19895073 is 37059891.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 19895073 - 2⁶ = 19895009 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19895773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9438 + ... + 11351.

It is an arithmetic number, because the mean of its divisors is an integer number (1871100).

Almost surely, 2^19895073 is an apocalyptic number.

It is an amenable number.

19895073 is a deficient number, since it is larger than the sum of its proper divisors (10042527).

19895073 is a wasteful number, since it uses less digits than its factorization.

19895073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20832.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 19895073 is about 4460.3893327825. The cubic root of 19895073 is about 270.9662362678.

The spelling of 19895073 in words is "nineteen million, eight hundred ninety-five thousand, seventy-three".