173085620 has 12 divisors (see below), whose sum is σ = 363479844. Its totient is φ = 69234240.

The previous prime is 173085599. The next prime is 173085643. The reversal of 173085620 is 26580371.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29181604 + 143904016 = 5402^2 + 11996^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4327121 + ... + 4327160.

It is an arithmetic number, because the mean of its divisors is an integer number (30289987).

Almost surely, 2^173085620 is an apocalyptic number.

173085620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

173085620 is an abundant number, since it is smaller than the sum of its proper divisors (190394224).

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

173085620 is a wasteful number, since it uses less digits than its factorization.

173085620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8654290 (or 8654288 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 173085620 is about 13156.2008193855. The cubic root of 173085620 is about 557.2973731914.

The spelling of 173085620 in words is "one hundred seventy-three million, eighty-five thousand, six hundred twenty".