172753243 has 8 divisors (see below), whose sum is σ = 186359936. Its totient is φ = 159192000.

The previous prime is 172753241. The next prime is 172753267. The reversal of 172753243 is 342357271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172753243 - 2¹ = 172753241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 172753199 and 172753208.

It is not an unprimeable number, because it can be changed into a prime (172753241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3243 + ... + 18868.

It is an arithmetic number, because the mean of its divisors is an integer number (23294992).

Almost surely, 2^172753243 is an apocalyptic number.

172753243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

172753243 is a deficient number, since it is larger than the sum of its proper divisors (13606693).

172753243 is a wasteful number, since it uses less digits than its factorization.

172753243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22725.

The product of its digits is 35280, while the sum is 34.

The square root of 172753243 is about 13143.5627970501. The cubic root of 172753243 is about 556.9404178236.

The spelling of 172753243 in words is "one hundred seventy-two million, seven hundred fifty-three thousand, two hundred forty-three".