4725666 has 48 divisors (see below), whose sum is σ = 11568960. Its totient is φ = 1380960.

The previous prime is 4725659. The next prime is 4725667. The reversal of 4725666 is 6665274.

It is a d-powerful number, because it can be written as 4¹¹ + 7⁴ + 2¹⁹ + 5⁵ + 6² + 6³ + 6⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 4725666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4725667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5331 + ... + 6153.

It is an arithmetic number, because the mean of its divisors is an integer number (241020).

Almost surely, 2^4725666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4725666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5784480).

4725666 is an abundant number, since it is smaller than the sum of its proper divisors (6843294).

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

4725666 is a wasteful number, since it uses less digits than its factorization.

4725666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871 (or 868 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 4725666 is about 2173.8597010847. The cubic root of 4725666 is about 167.8112250353.

The spelling of 4725666 in words is "four million, seven hundred twenty-five thousand, six hundred sixty-six".