442427743 has 4 divisors (see below), whose sum is σ = 443105928. Its totient is φ = 441749560.

The previous prime is 442427719. The next prime is 442427801. The reversal of 442427743 is 347724244.

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

It is a cyclic number.

It is not a de Polignac number, because 442427743 - 2¹⁷ = 442296671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442428743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338113 + ... + 339418.

It is an arithmetic number, because the mean of its divisors is an integer number (110776482).

Almost surely, 2^442427743 is an apocalyptic number.

442427743 is a deficient number, since it is larger than the sum of its proper divisors (678185).

442427743 is an equidigital number, since it uses as much as digits as its factorization.

442427743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678184.

The product of its digits is 150528, while the sum is 37.

The square root of 442427743 is about 21033.9664114974. The cubic root of 442427743 is about 761.9868046525.

The spelling of 442427743 in words is "four hundred forty-two million, four hundred twenty-seven thousand, seven hundred forty-three".