4747447 has 8 divisors (see below), whose sum is σ = 4860800. Its totient is φ = 4635360.

The previous prime is 4747441. The next prime is 4747451. The reversal of 4747447 is 7447474.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4747447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4747441) 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 7 ways as a sum of consecutive naturals, for example, 13429 + ... + 13777.

It is an arithmetic number, because the mean of its divisors is an integer number (607600).

Almost surely, 2^4747447 is an apocalyptic number.

4747447 is a deficient number, since it is larger than the sum of its proper divisors (113353).

4747447 is a wasteful number, since it uses less digits than its factorization.

4747447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

The product of its digits is 87808, while the sum is 37.

The square root of 4747447 is about 2178.8636946812. The cubic root of 4747447 is about 168.0686487210.

It can be divided in two parts, 474 and 7447, that added together give a square (7921 = 89²).

The spelling of 4747447 in words is "four million, seven hundred forty-seven thousand, four hundred forty-seven".