475730856 has 96 divisors (see below), whose sum is σ = 1374670440. Its totient is φ = 148107264.

The previous prime is 475730821. The next prime is 475730863. The reversal of 475730856 is 658037574.

It can be written as a sum of positive squares in 4 ways, for example, as 366109956 + 109620900 = 19134^2 + 10470^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166270 + ... + 169106.

Almost surely, 2^475730856 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 475730856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687335220).

475730856 is an abundant number, since it is smaller than the sum of its proper divisors (898939584).

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

475730856 is a wasteful number, since it uses less digits than its factorization.

475730856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003 (or 2996 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The square root of 475730856 is about 21811.2552596131. The cubic root of 475730856 is about 780.6453436309.

The spelling of 475730856 in words is "four hundred seventy-five million, seven hundred thirty thousand, eight hundred fifty-six".