472467409 has 4 divisors (see below), whose sum is σ = 472514416. Its totient is φ = 472420404.

The previous prime is 472467371. The next prime is 472467431. The reversal of 472467409 is 904764274.

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.

It is a cyclic number.

It is not a de Polignac number, because 472467409 - 2¹³ = 472459217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472467439) 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, 1659 + ... + 30784.

It is an arithmetic number, because the mean of its divisors is an integer number (118128604).

Almost surely, 2^472467409 is an apocalyptic number.

It is an amenable number.

472467409 is a deficient number, since it is larger than the sum of its proper divisors (47007).

472467409 is a wasteful number, since it uses less digits than its factorization.

472467409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47006.

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 472467409 is about 21736.3154421351. The cubic root of 472467409 is about 778.8562070802.

The spelling of 472467409 in words is "four hundred seventy-two million, four hundred sixty-seven thousand, four hundred nine".