173040 has 80 divisors (see below), whose sum is σ = 619008. Its totient is φ = 39168.

The previous prime is 173039. The next prime is 173053. The reversal of 173040 is 40371.

173040 = T₁₃₉ + T₁₄₀ + ... + T₁₅₄.

173040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1629 + ... + 1731.

2¹⁷³⁰⁴⁰ is an apocalyptic number.

173040 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 173040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309504).

173040 is an abundant number, since it is smaller than the sum of its proper divisors (445968).

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

173040 is a wasteful number, since it uses less digits than its factorization.

173040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 173040 is about 415.9807687863. The cubic root of 173040 is about 55.7248406789.

It can be divided in two parts, 1730 and 40, that added together give a triangular number (1770 = T₅₉).

The spelling of 173040 in words is "one hundred seventy-three thousand, forty", and thus it is an iban number.