475729 has 2 divisors, whose sum is σ = 475730. Its totient is φ = 475728.

The previous prime is 475721. The next prime is 475751. The reversal of 475729 is 927574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 425104 + 50625 = 652^2 + 225^2 .

It is a cyclic number.

It is not a de Polignac number, because 475729 - 2³ = 475721 is a prime.

It is equal to p₃₉₆₇₉ and since 475729 and 39679 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 475694 and 475703.

It is not a weakly prime, because it can be changed into another prime (475721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237864 + 237865.

It is an arithmetic number, because the mean of its divisors is an integer number (237865).

2⁴⁷⁵⁷²⁹ is an apocalyptic number.

It is an amenable number.

475729 is a deficient number, since it is larger than the sum of its proper divisors (1).

475729 is an equidigital number, since it uses as much as digits as its factorization.

475729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 34.

The square root of 475729 is about 689.7311070265. The cubic root of 475729 is about 78.0644328435.

It can be divided in two parts, 47 and 5729, that added together give a square (5776 = 76²).

The spelling of 475729 in words is "four hundred seventy-five thousand, seven hundred twenty-nine".