42068207 has 2 divisors, whose sum is σ = 42068208. Its totient is φ = 42068206.

The previous prime is 42068153. The next prime is 42068231. The reversal of 42068207 is 70286024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42068207 - 2¹² = 42064111 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42068207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42068107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21034103 + 21034104.

It is an arithmetic number, because the mean of its divisors is an integer number (21034104).

Almost surely, 2^42068207 is an apocalyptic number.

42068207 is a deficient number, since it is larger than the sum of its proper divisors (1).

42068207 is an equidigital number, since it uses as much as digits as its factorization.

42068207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 42068207 is about 6486.0008479802. Note that the first 3 decimals coincide. The cubic root of 42068207 is about 347.7907288716.

The spelling of 42068207 in words is "forty-two million, sixty-eight thousand, two hundred seven".