472327909 has 4 divisors (see below), whose sum is σ = 476507916. Its totient is φ = 468147904.

The previous prime is 472327907. The next prime is 472327939. The reversal of 472327909 is 909723274.

It is a happy number.

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 110187009 + 362140900 = 10497^2 + 19030^2 .

It is a cyclic number.

It is not a de Polignac number, because 472327909 - 2¹ = 472327907 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472327907) 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, 2089834 + ... + 2090059.

It is an arithmetic number, because the mean of its divisors is an integer number (119126979).

Almost surely, 2^472327909 is an apocalyptic number.

It is an amenable number.

472327909 is a deficient number, since it is larger than the sum of its proper divisors (4180007).

472327909 is a wasteful number, since it uses less digits than its factorization.

472327909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180006.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 472327909 is about 21733.1062897139. The cubic root of 472327909 is about 778.7795449063.

The spelling of 472327909 in words is "four hundred seventy-two million, three hundred twenty-seven thousand, nine hundred nine".