475189728 has 96 divisors (see below), whose sum is σ = 1363614336. Its totient is φ = 144004608.

The previous prime is 475189727. The next prime is 475189733. The reversal of 475189728 is 827981574.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475189727) 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 15 ways as a sum of consecutive naturals, for example, 80775 + ... + 86457.

It is an arithmetic number, because the mean of its divisors is an integer number (14204316).

Almost surely, 2^475189728 is an apocalyptic number.

475189728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475189728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681807168).

475189728 is an abundant number, since it is smaller than the sum of its proper divisors (888424608).

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

475189728 is a wasteful number, since it uses less digits than its factorization.

475189728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5776 (or 5768 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 51.

The square root of 475189728 is about 21798.8469419830. The cubic root of 475189728 is about 780.3492453113.

The spelling of 475189728 in words is "four hundred seventy-five million, one hundred eighty-nine thousand, seven hundred twenty-eight".