42206719 has 2 divisors, whose sum is σ = 42206720. Its totient is φ = 42206718.

The previous prime is 42206711. The next prime is 42206797. The reversal of 42206719 is 91760224.

42206719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42206719 - 2³ = 42206711 is a prime.

It is a super-2 number, since 2×42206719² = 3562814257489922, which contains 22 as substring.

It is a Chen prime.

It is equal to p_2559424 and since 42206719 and 2559424 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42206711) 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 as a sum of consecutive naturals, namely, 21103359 + 21103360.

It is an arithmetic number, because the mean of its divisors is an integer number (21103360).

Almost surely, 2^42206719 is an apocalyptic number.

42206719 is a deficient number, since it is larger than the sum of its proper divisors (1).

42206719 is an equidigital number, since it uses as much as digits as its factorization.

42206719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 42206719 is about 6496.6698392330. The cubic root of 42206719 is about 348.1720177226.

The spelling of 42206719 in words is "forty-two million, two hundred six thousand, seven hundred nineteen".