475447 has 12 divisors (see below), whose sum is σ = 572736. Its totient is φ = 393120.

The previous prime is 475441. The next prime is 475457. The reversal of 475447 is 744574.

It is a de Polignac number, because none of the positive numbers 2^k-475447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1363 + ... + 1675.

It is an arithmetic number, because the mean of its divisors is an integer number (47728).

2⁴⁷⁵⁴⁴⁷ is an apocalyptic number.

475447 is a deficient number, since it is larger than the sum of its proper divisors (97289).

475447 is a wasteful number, since it uses less digits than its factorization.

475447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 351 counting only the distinct ones).

The product of its digits is 15680, while the sum is 31.

The square root of 475447 is about 689.5266492312. The cubic root of 475447 is about 78.0490049274.

The spelling of 475447 in words is "four hundred seventy-five thousand, four hundred forty-seven".