6477223 has 4 divisors (see below), whose sum is σ = 6524640. Its totient is φ = 6429808.

The previous prime is 6477203. The next prime is 6477227. The reversal of 6477223 is 3227746.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3227746 = 2 ⋅1613873.

It is a cyclic number.

It is not a de Polignac number, because 6477223 - 2¹³ = 6469031 is a prime.

It is a d-powerful number, because it can be written as 6² + 4¹¹ + 7² + 7³ + 2¹³ + 2²¹ + 3¹¹ .

It is a Duffinian number.

6477223 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6477227) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 23503 + ... + 23776.

It is an arithmetic number, because the mean of its divisors is an integer number (1631160).

Almost surely, 2^6477223 is an apocalyptic number.

6477223 is a deficient number, since it is larger than the sum of its proper divisors (47417).

6477223 is a wasteful number, since it uses less digits than its factorization.

6477223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47416.

The product of its digits is 14112, while the sum is 31.

The square root of 6477223 is about 2545.0388995063. The cubic root of 6477223 is about 186.4073145005.

The spelling of 6477223 in words is "six million, four hundred seventy-seven thousand, two hundred twenty-three".