4747644 has 72 divisors (see below), whose sum is σ = 13802880. Its totient is φ = 1360800.

The previous prime is 4747609. The next prime is 4747651. The reversal of 4747644 is 4467474.

4747644 is a `hidden beast` number, since 4 + 7 + 4 + 7 + 644 = 666.

4747644 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4747599 and 4747608.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7209 + ... + 7839.

Almost surely, 2^4747644 is an apocalyptic number.

4747644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4747644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6901440).

4747644 is an abundant number, since it is smaller than the sum of its proper divisors (9055236).

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

4747644 is a wasteful number, since it uses less digits than its factorization.

4747644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 666 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 4747644 is about 2178.9089012623. The cubic root of 4747644 is about 168.0709734137.

It can be divided in two parts, 474 and 7644, that added together give a palindrome (8118).

The spelling of 4747644 in words is "four million, seven hundred forty-seven thousand, six hundred forty-four".