173727216 has 240 divisors, whose sum is σ = 570338496. Its totient is φ = 48881664.

The previous prime is 173727187. The next prime is 173727221. The reversal of 173727216 is 612727371.

It is a super-2 number, since 2×173727216² = 60362291158221312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1686621 + ... + 1686723.

Almost surely, 2^173727216 is an apocalyptic number.

173727216 is a gapful number since it is divisible by the number (16) 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 173727216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285169248).

173727216 is an abundant number, since it is smaller than the sum of its proper divisors (396611280).

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

173727216 is a wasteful number, since it uses less digits than its factorization.

173727216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 191 counting only the distinct ones).

The product of its digits is 24696, while the sum is 36.

The square root of 173727216 is about 13180.5620517488. The cubic root of 173727216 is about 557.9851231244.

The spelling of 173727216 in words is "one hundred seventy-three million, seven hundred twenty-seven thousand, two hundred sixteen".