173530560 has 448 divisors, whose sum is σ = 702259200. Its totient is φ = 36126720.

The previous prime is 173530549. The next prime is 173530579. The reversal of 173530560 is 65035371.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×173530560² = 60225710507827200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5597745 + ... + 5597775.

Almost surely, 2^173530560 is an apocalyptic number.

173530560 is a gapful number since it is divisible by the number (10) 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 173530560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351129600).

173530560 is an abundant number, since it is smaller than the sum of its proper divisors (528728640).

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

173530560 is a wasteful number, since it uses less digits than its factorization.

173530560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 173530560 is about 13173.0998629783. The cubic root of 173530560 is about 557.7745006794.

The spelling of 173530560 in words is "one hundred seventy-three million, five hundred thirty thousand, five hundred sixty".