42406607 has 4 divisors (see below), whose sum is σ = 42431256. Its totient is φ = 42381960.

The previous prime is 42406597. The next prime is 42406621. The reversal of 42406607 is 70660424.

42406607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42406607 - 2⁴ = 42406591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42406607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42406627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9533 + ... + 13254.

It is an arithmetic number, because the mean of its divisors is an integer number (10607814).

Almost surely, 2^42406607 is an apocalyptic number.

42406607 is a deficient number, since it is larger than the sum of its proper divisors (24649).

42406607 is a wasteful number, since it uses less digits than its factorization.

42406607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24648.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 42406607 is about 6512.0355496573. The cubic root of 42406607 is about 348.7207915655.

The spelling of 42406607 in words is "forty-two million, four hundred six thousand, six hundred seven".