172873333 has 16 divisors (see below), whose sum is σ = 181103040. Its totient is φ = 164900736.

The previous prime is 172873307. The next prime is 172873403. The reversal of 172873333 is 333378271.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 172873333 - 2⁵ = 172873301 is a prime.

It is a Duffinian number.

Its product of digits (63504) is a multiple of the sum of its prime divisors (756).

It is a junction number, because it is equal to n+sod(n) for n = 172873292 and 172873301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172873033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315766 + ... + 316312.

It is an arithmetic number, because the mean of its divisors is an integer number (11318940).

Almost surely, 2^172873333 is an apocalyptic number.

It is an amenable number.

172873333 is a deficient number, since it is larger than the sum of its proper divisors (8229707).

172873333 is an equidigital number, since it uses as much as digits as its factorization.

172873333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756.

The product of its digits is 63504, while the sum is 37.

The square root of 172873333 is about 13148.1303994142. The cubic root of 172873333 is about 557.0694409351.

The spelling of 172873333 in words is "one hundred seventy-two million, eight hundred seventy-three thousand, three hundred thirty-three".