173420544 has 104 divisors (see below), whose sum is σ = 504827712. Its totient is φ = 52510720.

The previous prime is 173420531. The next prime is 173420549. The reversal of 173420544 is 445024371.

It is not an unprimeable number, because it can be changed into a prime (173420549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134527 + ... + 135809.

Almost surely, 2^173420544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 173420544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252413856).

173420544 is an abundant number, since it is smaller than the sum of its proper divisors (331407168).

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

173420544 is a wasteful number, since it uses less digits than its factorization.

173420544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321 (or 1299 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 173420544 is about 13168.9234184120. The cubic root of 173420544 is about 557.6566019607.

The spelling of 173420544 in words is "one hundred seventy-three million, four hundred twenty thousand, five hundred forty-four".