173490772 has 96 divisors (see below), whose sum is σ = 389491200. Its totient is φ = 67173120.

The previous prime is 173490749. The next prime is 173490773. The reversal of 173490772 is 277094371.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173490773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1266288 + ... + 1266424.

It is an arithmetic number, because the mean of its divisors is an integer number (4057200).

Almost surely, 2^173490772 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 173490772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194745600).

173490772 is an abundant number, since it is smaller than the sum of its proper divisors (216000428).

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

173490772 is a wasteful number, since it uses less digits than its factorization.

173490772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 173490772 is about 13171.5895775719. The cubic root of 173490772 is about 557.7318675966.

The spelling of 173490772 in words is "one hundred seventy-three million, four hundred ninety thousand, seven hundred seventy-two".