432220273 has 8 divisors (see below), whose sum is σ = 444489192. Its totient is φ = 419982336.

The previous prime is 432220211. The next prime is 432220279. The reversal of 432220273 is 372022234.

It can be written as a sum of positive squares in 4 ways, for example, as 295049329 + 137170944 = 17177^2 + 11712^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-432220273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432220279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22161 + ... + 36817.

It is an arithmetic number, because the mean of its divisors is an integer number (55561149).

Almost surely, 2^432220273 is an apocalyptic number.

It is an amenable number.

432220273 is a deficient number, since it is larger than the sum of its proper divisors (12268919).

432220273 is a wasteful number, since it uses less digits than its factorization.

432220273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15491.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 432220273 is about 20789.9079603542. The cubic root of 432220273 is about 756.0810926375.

The spelling of 432220273 in words is "four hundred thirty-two million, two hundred twenty thousand, two hundred seventy-three".