4747 has 4 divisors (see below), whose sum is σ = 4896. Its totient is φ = 4600.

The previous prime is 4733. The next prime is 4751. The reversal of 4747 is 7474.

It is a happy number.

4747 is nontrivially palindromic in base 7.

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 4747 - 2¹¹ = 2699 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

4747 is an undulating number in base 10.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4787) 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, 4 + ... + 97.

It is an arithmetic number, because the mean of its divisors is an integer number (1224).

2⁴⁷⁴⁷ is an apocalyptic number.

4747 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

4747 is a deficient number, since it is larger than the sum of its proper divisors (149).

4747 is a wasteful number, since it uses less digits than its factorization.

4747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148.

The product of its digits is 784, while the sum is 22.

The square root of 4747 is about 68.8984760354. The cubic root of 4747 is about 16.8063373672.

Adding to 4747 its reverse (7474), we get a palindrome (12221).

The spelling of 4747 in words is "four thousand, seven hundred forty-seven", and thus it is an iban number.