5671447 has 4 divisors (see below), whose sum is σ = 5689656. Its totient is φ = 5653240.

The previous prime is 5671429. The next prime is 5671451. The reversal of 5671447 is 7441765.

It is a happy number.

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 5671447 - 2¹⁹ = 5147159 is a prime.

It is a super-2 number, since 2×5671447² = 64330622147618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5671417) 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 in 3 ways as a sum of consecutive naturals, for example, 8629 + ... + 9262.

It is an arithmetic number, because the mean of its divisors is an integer number (1422414).

Almost surely, 2^5671447 is an apocalyptic number.

5671447 is a deficient number, since it is larger than the sum of its proper divisors (18209).

5671447 is a wasteful number, since it uses less digits than its factorization.

5671447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18208.

The product of its digits is 23520, while the sum is 34.

The square root of 5671447 is about 2381.4800020156. The cubic root of 5671447 is about 178.3328263492.

The spelling of 5671447 in words is "five million, six hundred seventy-one thousand, four hundred forty-seven".