6474647 has 4 divisors (see below), whose sum is σ = 6480960. Its totient is φ = 6468336.

The previous prime is 6474641. The next prime is 6474659. The reversal of 6474647 is 7464746.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7464746 = 2 ⋅3732373.

It is a cyclic number.

It is not a de Polignac number, because 6474647 - 2⁴ = 6474631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6474647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6474641) 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, 1223 + ... + 3800.

It is an arithmetic number, because the mean of its divisors is an integer number (1620240).

Almost surely, 2^6474647 is an apocalyptic number.

6474647 is a deficient number, since it is larger than the sum of its proper divisors (6313).

6474647 is a wasteful number, since it uses less digits than its factorization.

6474647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312.

The product of its digits is 112896, while the sum is 38.

The square root of 6474647 is about 2544.5327665408. The cubic root of 6474647 is about 186.3825997468.

Subtracting 6474647 from its reverse (7464746), we obtain a palindrome (990099).

The spelling of 6474647 in words is "six million, four hundred seventy-four thousand, six hundred forty-seven".