173042073 has 12 divisors (see below), whose sum is σ = 251749680. Its totient is φ = 114530616.

The previous prime is 173042053. The next prime is 173042117. The reversal of 173042073 is 370240371.

173042073 is a `hidden beast` number, since 173 + 0 + 420 + 73 = 666.

It is not a de Polignac number, because 173042073 - 2¹⁰ = 173041049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (173042003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67911 + ... + 70412.

It is an arithmetic number, because the mean of its divisors is an integer number (20979140).

Almost surely, 2^173042073 is an apocalyptic number.

It is an amenable number.

173042073 is a deficient number, since it is larger than the sum of its proper divisors (78707607).

173042073 is a wasteful number, since it uses less digits than its factorization.

173042073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138468 (or 138465 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 173042073 is about 13154.5457162154. The cubic root of 173042073 is about 557.2506320386.

The spelling of 173042073 in words is "one hundred seventy-three million, forty-two thousand, seventy-three".