675447 has 4 divisors (see below), whose sum is σ = 900600. Its totient is φ = 450296.

The previous prime is 675419. The next prime is 675449. The reversal of 675447 is 744576.

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

It is a cyclic number.

It is not a de Polignac number, because 675447 - 2⁷ = 675319 is a prime.

It is a D-number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 675447.

It is not an unprimeable number, because it can be changed into a prime (675449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112572 + ... + 112577.

It is an arithmetic number, because the mean of its divisors is an integer number (225150).

2⁶⁷⁵⁴⁴⁷ is an apocalyptic number.

675447 is a deficient number, since it is larger than the sum of its proper divisors (225153).

675447 is a wasteful number, since it uses less digits than its factorization.

675447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225152.

The product of its digits is 23520, while the sum is 33.

The square root of 675447 is about 821.8558267726. The cubic root of 675447 is about 87.7398913689.

The spelling of 675447 in words is "six hundred seventy-five thousand, four hundred forty-seven".