173923872 has 192 divisors, whose sum is σ = 522547200. Its totient is φ = 50319360.

The previous prime is 173923859. The next prime is 173923877. The reversal of 173923872 is 278329371.

173923872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×173923872³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (173923877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2201529 + ... + 2201607.

It is an arithmetic number, because the mean of its divisors is an integer number (2721600).

Almost surely, 2^173923872 is an apocalyptic number.

173923872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 173923872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261273600).

173923872 is an abundant number, since it is smaller than the sum of its proper divisors (348623328).

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

173923872 is a wasteful number, since it uses less digits than its factorization.

173923872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 191 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 173923872 is about 13188.0200181832. The cubic root of 173923872 is about 558.1955866821.

The spelling of 173923872 in words is "one hundred seventy-three million, nine hundred twenty-three thousand, eight hundred seventy-two".