472217 has 4 divisors (see below), whose sum is σ = 473616. Its totient is φ = 470820.

The previous prime is 472193. The next prime is 472247. The reversal of 472217 is 712274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 712274 = 2 ⋅356137.

It is a cyclic number.

It is not a de Polignac number, because 472217 - 2¹⁰ = 471193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 472192 and 472201.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 472217.

It is not an unprimeable number, because it can be changed into a prime (472247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158 + ... + 984.

It is an arithmetic number, because the mean of its divisors is an integer number (118404).

2⁴⁷²²¹⁷ is an apocalyptic number.

It is an amenable number.

472217 is a deficient number, since it is larger than the sum of its proper divisors (1399).

472217 is an equidigital number, since it uses as much as digits as its factorization.

472217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398.

The product of its digits is 784, while the sum is 23.

The square root of 472217 is about 687.1804712010. The cubic root of 472217 is about 77.8718584134.

The spelling of 472217 in words is "four hundred seventy-two thousand, two hundred seventeen", and thus it is an iban number.