447975 has 36 divisors (see below), whose sum is σ = 880152. Its totient is φ = 216000.

The previous prime is 447961. The next prime is 447983. The reversal of 447975 is 579744.

It is a happy number.

It is not a de Polignac number, because 447975 - 2⁵ = 447943 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2385 + ... + 2565.

2⁴⁴⁷⁹⁷⁵ is an apocalyptic number.

447975 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

447975 is a deficient number, since it is larger than the sum of its proper divisors (432177).

447975 is a wasteful number, since it uses less digits than its factorization.

447975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 200 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 447975 is about 669.3093455197. The cubic root of 447975 is about 76.5158239725.

Subtracting 447975 from its reverse (579744), we obtain a square (131769 = 363²).

It can be divided in two parts, 4479 and 75, that added together give a palindrome (4554).

The spelling of 447975 in words is "four hundred forty-seven thousand, nine hundred seventy-five".