442612007 has 4 divisors (see below), whose sum is σ = 457874520. Its totient is φ = 427349496.

The previous prime is 442611991. The next prime is 442612043. The reversal of 442612007 is 700216244.

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 442612007 - 2⁴ = 442611991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442612057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7631213 + ... + 7631270.

It is an arithmetic number, because the mean of its divisors is an integer number (114468630).

Almost surely, 2^442612007 is an apocalyptic number.

442612007 is a deficient number, since it is larger than the sum of its proper divisors (15262513).

442612007 is a wasteful number, since it uses less digits than its factorization.

442612007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15262512.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 442612007 is about 21038.3461089507. The cubic root of 442612007 is about 762.0925750304.

The spelling of 442612007 in words is "four hundred forty-two million, six hundred twelve thousand, seven".