475645 has 8 divisors (see below), whose sum is σ = 574560. Its totient is φ = 378000.

The previous prime is 475639. The next prime is 475649. The reversal of 475645 is 546574.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 475645 - 2³ = 475637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1066 + ... + 1444.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

2⁴⁷⁵⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

475645 is a deficient number, since it is larger than the sum of its proper divisors (98915).

475645 is a wasteful number, since it uses less digits than its factorization.

475645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635.

The product of its digits is 16800, while the sum is 31.

The square root of 475645 is about 689.6702110429. The cubic root of 475645 is about 78.0598379318.

The spelling of 475645 in words is "four hundred seventy-five thousand, six hundred forty-five".