475642 has 4 divisors (see below), whose sum is σ = 713466. Its totient is φ = 237820.

The previous prime is 475639. The next prime is 475649. The reversal of 475642 is 246574.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 463761 + 11881 = 681^2 + 109^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 475642.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118909 + ... + 118912.

2⁴⁷⁵⁶⁴² is an apocalyptic number.

475642 is a deficient number, since it is larger than the sum of its proper divisors (237824).

475642 is a wasteful number, since it uses less digits than its factorization.

475642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237823.

The product of its digits is 6720, while the sum is 28.

The square root of 475642 is about 689.6680360869. The cubic root of 475642 is about 78.0596738178.

The spelling of 475642 in words is "four hundred seventy-five thousand, six hundred forty-two".