173328012 has 288 divisors, whose sum is σ = 565044480. Its totient is φ = 45722880.

The previous prime is 173328011. The next prime is 173328031. The reversal of 173328012 is 210823371.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173328011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4030863 + ... + 4030905.

It is an arithmetic number, because the mean of its divisors is an integer number (1961960).

Almost surely, 2^173328012 is an apocalyptic number.

173328012 is a gapful number since it is divisible by the number (12) 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 173328012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282522240).

173328012 is an abundant number, since it is smaller than the sum of its proper divisors (391716468).

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

173328012 is a wasteful number, since it uses less digits than its factorization.

173328012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 173328012 is about 13165.4096783959. The cubic root of 173328012 is about 557.5574013704.

The spelling of 173328012 in words is "one hundred seventy-three million, three hundred twenty-eight thousand, twelve".