173120928 has 192 divisors, whose sum is σ = 512967168. Its totient is φ = 50872320.

The previous prime is 173120897. The next prime is 173120953. The reversal of 173120928 is 829021371.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2838018 + ... + 2838078.

It is an arithmetic number, because the mean of its divisors is an integer number (2671704).

Almost surely, 2^173120928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 173120928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256483584).

173120928 is an abundant number, since it is smaller than the sum of its proper divisors (339846240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

173120928 is a wasteful number, since it uses less digits than its factorization.

173120928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 173120928 is about 13157.5426277098. The cubic root of 173120928 is about 557.3352652625.

The spelling of 173120928 in words is "one hundred seventy-three million, one hundred twenty thousand, nine hundred twenty-eight".