442472699 has 4 divisors (see below), whose sum is σ = 445956864. Its totient is φ = 438988536.

The previous prime is 442472669. The next prime is 442472743. The reversal of 442472699 is 996274244.

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 442472699 - 2²⁸ = 174037243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442472609) 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, 1741892 + ... + 1742145.

It is an arithmetic number, because the mean of its divisors is an integer number (111489216).

Almost surely, 2^442472699 is an apocalyptic number.

442472699 is a deficient number, since it is larger than the sum of its proper divisors (3484165).

442472699 is a wasteful number, since it uses less digits than its factorization.

442472699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484164.

The product of its digits is 870912, while the sum is 47.

The square root of 442472699 is about 21035.0350368142. The cubic root of 442472699 is about 762.0126127979.

The spelling of 442472699 in words is "four hundred forty-two million, four hundred seventy-two thousand, six hundred ninety-nine".