173480 has 16 divisors (see below), whose sum is σ = 390420. Its totient is φ = 69376.

The previous prime is 173473. The next prime is 173483. The reversal of 173480 is 84371.

173480 = 35² + 36² + ... + 82².

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 145924 + 27556 = 382^2 + 166^2 .

It is not an unprimeable number, because it can be changed into a prime (173483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2129 + ... + 2208.

2¹⁷³⁴⁸⁰ is an apocalyptic number.

173480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

173480 is an abundant number, since it is smaller than the sum of its proper divisors (216940).

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

173480 is a wasteful number, since it uses less digits than its factorization.

173480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348 (or 4344 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 173480 is about 416.5093036176. The cubic root of 173480 is about 55.7720324212.

The spelling of 173480 in words is "one hundred seventy-three thousand, four hundred eighty".