173969873 has 16 divisors (see below), whose sum is σ = 221945856. Its totient is φ = 132405840.

The previous prime is 173969843. The next prime is 173969881. The reversal of 173969873 is 378969371.

It is a happy number.

173969873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-173969873 is a prime.

It is a super-2 number, since 2×173969873² = 60531033423272258, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (173969843) 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, 22961 + ... + 29582.

It is an arithmetic number, because the mean of its divisors is an integer number (13871616).

Almost surely, 2^173969873 is an apocalyptic number.

It is an amenable number.

173969873 is a deficient number, since it is larger than the sum of its proper divisors (47975983).

173969873 is a wasteful number, since it uses less digits than its factorization.

173969873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52604.

The product of its digits is 1714608, while the sum is 53.

The square root of 173969873 is about 13189.7639478499. The cubic root of 173969873 is about 558.2447945940.

The spelling of 173969873 in words is "one hundred seventy-three million, nine hundred sixty-nine thousand, eight hundred seventy-three".