173242368 has 192 divisors, whose sum is σ = 554954400. Its totient is φ = 53084160.

The previous prime is 173242357. The next prime is 173242387. The reversal of 173242368 is 863242371.

It is a happy number.

173242368 is a `hidden beast` number, since 173 + 2 + 423 + 68 = 666.

173242368 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 718728 + ... + 718968.

Almost surely, 2^173242368 is an apocalyptic number.

173242368 is a gapful number since it is divisible by the number (18) 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 173242368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277477200).

173242368 is an abundant number, since it is smaller than the sum of its proper divisors (381712032).

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

173242368 is a wasteful number, since it uses less digits than its factorization.

173242368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 259 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 173242368 is about 13162.1566621888. The cubic root of 173242368 is about 557.4655537177.

It can be divided in two parts, 1732 and 42368, that added together give a square (44100 = 210²).

The spelling of 173242368 in words is "one hundred seventy-three million, two hundred forty-two thousand, three hundred sixty-eight".