173490020 has 48 divisors (see below), whose sum is σ = 399567168. Its totient is φ = 62751360.

The previous prime is 173490013. The next prime is 173490047. The reversal of 173490020 is 20094371.

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, 41339 + ... + 45341.

It is an arithmetic number, because the mean of its divisors is an integer number (8324316).

Almost surely, 2^173490020 is an apocalyptic number.

173490020 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 173490020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199783584).

173490020 is an abundant number, since it is smaller than the sum of its proper divisors (226077148).

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

173490020 is a wasteful number, since it uses less digits than its factorization.

173490020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220 (or 4218 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 173490020 is about 13171.5610312521. The cubic root of 173490020 is about 557.7310617613.

The spelling of 173490020 in words is "one hundred seventy-three million, four hundred ninety thousand, twenty".