442420702 has 8 divisors (see below), whose sum is σ = 665440416. Its totient is φ = 220607232.

The previous prime is 442420697. The next prime is 442420717. The reversal of 442420702 is 207024244.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 300643 + ... + 302110.

It is an arithmetic number, because the mean of its divisors is an integer number (83180052).

Almost surely, 2^442420702 is an apocalyptic number.

442420702 is a deficient number, since it is larger than the sum of its proper divisors (223019714).

442420702 is a wasteful number, since it uses less digits than its factorization.

442420702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603122.

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 442420702 is about 21033.7990386901. The cubic root of 442420702 is about 761.9827624274.

Adding to 442420702 its reverse (207024244), we get a palindrome (649444946).

The spelling of 442420702 in words is "four hundred forty-two million, four hundred twenty thousand, seven hundred two".