442107073 has 4 divisors (see below), whose sum is σ = 442150960. Its totient is φ = 442063188.

The previous prime is 442107041. The next prime is 442107091. The reversal of 442107073 is 370701244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 442107073 - 2⁵ = 442107041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442107013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1558 + ... + 29776.

It is an arithmetic number, because the mean of its divisors is an integer number (110537740).

Almost surely, 2^442107073 is an apocalyptic number.

It is an amenable number.

442107073 is a deficient number, since it is larger than the sum of its proper divisors (43887).

442107073 is a wasteful number, since it uses less digits than its factorization.

442107073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43886.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 442107073 is about 21026.3423590505. The cubic root of 442107073 is about 761.8026650802.

The spelling of 442107073 in words is "four hundred forty-two million, one hundred seven thousand, seventy-three".