470721233 has 4 divisors (see below), whose sum is σ = 470807460. Its totient is φ = 470635008.

The previous prime is 470721221. The next prime is 470721239. The reversal of 470721233 is 332127074.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 351300049 + 119421184 = 18743^2 + 10928^2 .

It is a cyclic number.

It is not a de Polignac number, because 470721233 - 2⁶ = 470721169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 470721196 and 470721205.

It is not an unprimeable number, because it can be changed into a prime (470721239) 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 3 ways as a sum of consecutive naturals, for example, 34328 + ... + 46041.

It is an arithmetic number, because the mean of its divisors is an integer number (117701865).

Almost surely, 2^470721233 is an apocalyptic number.

It is an amenable number.

470721233 is a deficient number, since it is larger than the sum of its proper divisors (86227).

470721233 is an equidigital number, since it uses as much as digits as its factorization.

470721233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86226.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 470721233 is about 21696.1110109623. Note that the first 3 decimals coincide. The cubic root of 470721233 is about 777.8955066363.

The spelling of 470721233 in words is "four hundred seventy million, seven hundred twenty-one thousand, two hundred thirty-three".