4427739 has 12 divisors (see below), whose sum is σ = 6460272. Its totient is φ = 2922000.

The previous prime is 4427737. The next prime is 4427747. The reversal of 4427739 is 9377244.

It is not a de Polignac number, because 4427739 - 2¹ = 4427737 is a prime.

4427739 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4427737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1527 + ... + 3344.

It is an arithmetic number, because the mean of its divisors is an integer number (538356).

Almost surely, 2^4427739 is an apocalyptic number.

4427739 is a deficient number, since it is larger than the sum of its proper divisors (2032533).

4427739 is a wasteful number, since it uses less digits than its factorization.

4427739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4978 (or 4975 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 4427739 is about 2104.2193326742. The cubic root of 4427739 is about 164.2078838105.

The spelling of 4427739 in words is "four million, four hundred twenty-seven thousand, seven hundred thirty-nine".