442496673 has 12 divisors (see below), whose sum is σ = 642695508. Its totient is φ = 293366880.

The previous prime is 442496669. The next prime is 442496693. The reversal of 442496673 is 376694244.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 232623504 + 209873169 = 15252^2 + 14487^2 .

It is not a de Polignac number, because 442496673 - 2² = 442496669 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442496603) 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, 134190 + ... + 137447.

It is an arithmetic number, because the mean of its divisors is an integer number (53557959).

Almost surely, 2^442496673 is an apocalyptic number.

It is an amenable number.

442496673 is a deficient number, since it is larger than the sum of its proper divisors (200198835).

442496673 is a wasteful number, since it uses less digits than its factorization.

442496673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271824 (or 271821 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 442496673 is about 21035.6048879037. The cubic root of 442496673 is about 762.0263749732.

The spelling of 442496673 in words is "four hundred forty-two million, four hundred ninety-six thousand, six hundred seventy-three".