173240352 has 72 divisors (see below), whose sum is σ = 494574444. Its totient is φ = 57521664.

The previous prime is 173240341. The next prime is 173240357. The reversal of 173240352 is 253042371.

173240352 is a `hidden beast` number, since 1 + 73 + 240 + 352 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 159668496 + 13571856 = 12636^2 + 3684^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×173240352² = 60024439122167808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (173240357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83358 + ... + 85410.

Almost surely, 2^173240352 is an apocalyptic number.

173240352 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 173240352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247287222).

173240352 is an abundant number, since it is smaller than the sum of its proper divisors (321334092).

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

173240352 is a wasteful number, since it uses less digits than its factorization.

173240352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362 (or 2351 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 173240352 is about 13162.0800787717. The cubic root of 173240352 is about 557.4633913235.

The spelling of 173240352 in words is "one hundred seventy-three million, two hundred forty thousand, three hundred fifty-two".