475705215 has 24 divisors (see below), whose sum is σ = 834999360. Its totient is φ = 250496064.

The previous prime is 475705187. The next prime is 475705273. The reversal of 475705215 is 512507574.

It is not a de Polignac number, because 475705215 - 2⁶ = 475705151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 475705215.

It is a congruent number.

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, 63352 + ... + 70461.

It is an arithmetic number, because the mean of its divisors is an integer number (34791640).

Almost surely, 2^475705215 is an apocalyptic number.

475705215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

475705215 is a deficient number, since it is larger than the sum of its proper divisors (359294145).

475705215 is a wasteful number, since it uses less digits than its factorization.

475705215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133903 (or 133900 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The square root of 475705215 is about 21810.6674588377. The cubic root of 475705215 is about 780.6313182728.

The spelling of 475705215 in words is "four hundred seventy-five million, seven hundred five thousand, two hundred fifteen".