475219668 has 96 divisors (see below), whose sum is σ = 1386362880. Its totient is φ = 123085440.

The previous prime is 475219637. The next prime is 475219673. The reversal of 475219668 is 866912574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 565993 + ... + 566831.

It is an arithmetic number, because the mean of its divisors is an integer number (14441280).

Almost surely, 2^475219668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475219668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693181440).

475219668 is an abundant number, since it is smaller than the sum of its proper divisors (911143212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

475219668 is a wasteful number, since it uses less digits than its factorization.

475219668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477 (or 1475 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 475219668 is about 21799.5336647370. The cubic root of 475219668 is about 780.3656339693.

The spelling of 475219668 in words is "four hundred seventy-five million, two hundred nineteen thousand, six hundred sixty-eight".