472645667 has 4 divisors (see below), whose sum is σ = 509003040. Its totient is φ = 436288296.

The previous prime is 472645661. The next prime is 472645739. The reversal of 472645667 is 766546274.

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

It is a cyclic number.

It is not a de Polignac number, because 472645667 - 2⁶ = 472645603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (472645661) 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, 18178667 + ... + 18178692.

It is an arithmetic number, because the mean of its divisors is an integer number (127250760).

Almost surely, 2^472645667 is an apocalyptic number.

472645667 is a deficient number, since it is larger than the sum of its proper divisors (36357373).

472645667 is a wasteful number, since it uses less digits than its factorization.

472645667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36357372.

The product of its digits is 1693440, while the sum is 47.

The square root of 472645667 is about 21740.4155204081. The cubic root of 472645667 is about 778.9541467405.

The spelling of 472645667 in words is "four hundred seventy-two million, six hundred forty-five thousand, six hundred sixty-seven".