475204647 has 4 divisors (see below), whose sum is σ = 633606200. Its totient is φ = 316803096.

The previous prime is 475204591. The next prime is 475204729. The reversal of 475204647 is 746402574.

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

It is not a de Polignac number, because 475204647 - 2²² = 471010343 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 (475204447) 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, 79200772 + ... + 79200777.

It is an arithmetic number, because the mean of its divisors is an integer number (158401550).

Almost surely, 2^475204647 is an apocalyptic number.

475204647 is a deficient number, since it is larger than the sum of its proper divisors (158401553).

475204647 is a wasteful number, since it uses less digits than its factorization.

475204647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158401552.

The product of its (nonzero) digits is 188160, while the sum is 39.

The square root of 475204647 is about 21799.1891362959. The cubic root of 475204647 is about 780.3574118098.

The spelling of 475204647 in words is "four hundred seventy-five million, two hundred four thousand, six hundred forty-seven".