4443742 has 4 divisors (see below), whose sum is σ = 6665616. Its totient is φ = 2221870.

The previous prime is 4443713. The next prime is 4443743. The reversal of 4443742 is 2473444.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 4⁴ + 4⁶ + 4⁸ + 3¹¹ + 7⁴ + 4¹¹ + 2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4443742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4443743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110934 + ... + 1110937.

It is an arithmetic number, because the mean of its divisors is an integer number (1666404).

Almost surely, 2^4443742 is an apocalyptic number.

4443742 is a deficient number, since it is larger than the sum of its proper divisors (2221874).

4443742 is a wasteful number, since it uses less digits than its factorization.

4443742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221873.

The product of its digits is 10752, while the sum is 28.

The square root of 4443742 is about 2108.0185008676. The cubic root of 4443742 is about 164.4054759475.

It can be divided in two parts, 444 and 3742, that added together give a triangular number (4186 = T₉₁).

The spelling of 4443742 in words is "four million, four hundred forty-three thousand, seven hundred forty-two".