442056073 has 8 divisors (see below), whose sum is σ = 446428800. Its totient is φ = 437704848.

The previous prime is 442056059. The next prime is 442056079. The reversal of 442056073 is 370650244.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442056073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442056079) 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, 37615 + ... + 47947.

It is an arithmetic number, because the mean of its divisors is an integer number (55803600).

Almost surely, 2^442056073 is an apocalyptic number.

It is an amenable number.

442056073 is a deficient number, since it is larger than the sum of its proper divisors (4372727).

442056073 is a wasteful number, since it uses less digits than its factorization.

442056073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10751.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 442056073 is about 21025.1295596484. The cubic root of 442056073 is about 761.7733709473.

The spelling of 442056073 in words is "four hundred forty-two million, fifty-six thousand, seventy-three".