42206107 has 4 divisors (see below), whose sum is σ = 43661520. Its totient is φ = 40750696.

The previous prime is 42206093. The next prime is 42206113. The reversal of 42206107 is 70160224.

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 42206107 - 2⁷ = 42205979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42206117) 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, 727663 + ... + 727720.

It is an arithmetic number, because the mean of its divisors is an integer number (10915380).

Almost surely, 2^42206107 is an apocalyptic number.

42206107 is a deficient number, since it is larger than the sum of its proper divisors (1455413).

42206107 is a wasteful number, since it uses less digits than its factorization.

42206107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455412.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 42206107 is about 6496.6227380078. The cubic root of 42206107 is about 348.1703348760.

The spelling of 42206107 in words is "forty-two million, two hundred six thousand, one hundred seven".