475690 has 8 divisors (see below), whose sum is σ = 856260. Its totient is φ = 190272.

The previous prime is 475681. The next prime is 475691. The reversal of 475690 is 96574.

It can be written as a sum of positive squares in 2 ways, for example, as 471969 + 3721 = 687^2 + 61^2 .

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

It is a super-2 number, since 2×475690² = 452561952200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (475691) by changing a digit.

475690 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23775 + ... + 23794.

2⁴⁷⁵⁶⁹⁰ is an apocalyptic number.

475690 is a deficient number, since it is larger than the sum of its proper divisors (380570).

475690 is a wasteful number, since it uses less digits than its factorization.

475690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47576.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 475690 is about 689.7028345599. The cubic root of 475690 is about 78.0622995589.

The spelling of 475690 in words is "four hundred seventy-five thousand, six hundred ninety".