30173172873 has 8 divisors (see below), whose sum is σ = 41618169600. Its totient is φ = 19421812368.

The previous prime is 30173172829. The next prime is 30173172899. The reversal of 30173172873 is 37827137103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30173172873 - 2²⁵ = 30139618441 is a prime.

It is a super-2 number, since 2×30173172873² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30173172773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173408953 + ... + 173409126.

It is an arithmetic number, because the mean of its divisors is an integer number (5202271200).

Almost surely, 2^30173172873 is an apocalyptic number.

It is an amenable number.

30173172873 is a deficient number, since it is larger than the sum of its proper divisors (11444996727).

30173172873 is a wasteful number, since it uses less digits than its factorization.

30173172873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346818111.

The product of its (nonzero) digits is 148176, while the sum is 42.

The spelling of 30173172873 in words is "thirty billion, one hundred seventy-three million, one hundred seventy-two thousand, eight hundred seventy-three".