4747820 has 48 divisors (see below), whose sum is σ = 12434688. Its totient is φ = 1479360.

The previous prime is 4747819. The next prime is 4747829. The reversal of 4747820 is 287474.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4747829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2 + ... + 3081.

It is an arithmetic number, because the mean of its divisors is an integer number (259056).

Almost surely, 2^4747820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4747820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6217344).

4747820 is an abundant number, since it is smaller than the sum of its proper divisors (7686868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4747820 is a wasteful number, since it uses less digits than its factorization.

4747820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110 (or 3108 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 4747820 is about 2178.9492880744. The cubic root of 4747820 is about 168.0730502421.

The spelling of 4747820 in words is "four million, seven hundred forty-seven thousand, eight hundred twenty".