475075720 has 128 divisors (see below), whose sum is σ = 1253180160. Its totient is φ = 158745600.

The previous prime is 475075717. The next prime is 475075723. The reversal of 475075720 is 27570574.

It is an interprime number because it is at equal distance from previous prime (475075717) and next prime (475075723).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 475075720.

It is not an unprimeable number, because it can be changed into a prime (475075723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3025882 + ... + 3026038.

It is an arithmetic number, because the mean of its divisors is an integer number (9790470).

Almost surely, 2^475075720 is an apocalyptic number.

475075720 is a gapful number since it is divisible by the number (40) 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 475075720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (626590080).

475075720 is an abundant number, since it is smaller than the sum of its proper divisors (778104440).

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

475075720 is a wasteful number, since it uses less digits than its factorization.

475075720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 68600, while the sum is 37.

The square root of 475075720 is about 21796.2317844163. The cubic root of 475075720 is about 780.2868329264.

The spelling of 475075720 in words is "four hundred seventy-five million, seventy-five thousand, seven hundred twenty".