475487318 has 4 divisors (see below), whose sum is σ = 713230980. Its totient is φ = 237743658.

The previous prime is 475487317. The next prime is 475487347. The reversal of 475487318 is 813784574.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475487317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118871828 + ... + 118871831.

It is an arithmetic number, because the mean of its divisors is an integer number (178307745).

Almost surely, 2^475487318 is an apocalyptic number.

475487318 is a deficient number, since it is larger than the sum of its proper divisors (237743662).

475487318 is a wasteful number, since it uses less digits than its factorization.

475487318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237743661.

The product of its digits is 752640, while the sum is 47.

The square root of 475487318 is about 21805.6716933921. The cubic root of 475487318 is about 780.5121105544.

The spelling of 475487318 in words is "four hundred seventy-five million, four hundred eighty-seven thousand, three hundred eighteen".