475956728 has 48 divisors (see below), whose sum is σ = 971795880. Its totient is φ = 218434944.

The previous prime is 475956727. The next prime is 475956731. The reversal of 475956728 is 827659574.

Its product of digits (4233600) is a multiple of the sum of its prime factors (2016).

It is a self number, because there is not a number n which added to its sum of digits gives 475956728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475956727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265451 + ... + 267237.

Almost surely, 2^475956728 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 475956728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485897940).

475956728 is an abundant number, since it is smaller than the sum of its proper divisors (495839152).

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

475956728 is a wasteful number, since it uses less digits than its factorization.

475956728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016 (or 1999 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 53.

The square root of 475956728 is about 21816.4325222984. The cubic root of 475956728 is about 780.7688714789.

The spelling of 475956728 in words is "four hundred seventy-five million, nine hundred fifty-six thousand, seven hundred twenty-eight".