442704907 has 8 divisors (see below), whose sum is σ = 450561600. Its totient is φ = 434860104.

The previous prime is 442704833. The next prime is 442704929. The reversal of 442704907 is 709407244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442704907 - 2¹⁹ = 442180619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442704947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108144 + ... + 112162.

It is an arithmetic number, because the mean of its divisors is an integer number (56320200).

Almost surely, 2^442704907 is an apocalyptic number.

442704907 is a deficient number, since it is larger than the sum of its proper divisors (7856693).

442704907 is a wasteful number, since it uses less digits than its factorization.

442704907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5945.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 442704907 is about 21040.5538662840. The cubic root of 442704907 is about 762.1458899325.

The spelling of 442704907 in words is "four hundred forty-two million, seven hundred four thousand, nine hundred seven".