42674069 has 2 divisors, whose sum is σ = 42674070. Its totient is φ = 42674068.

The previous prime is 42674041. The next prime is 42674081. The reversal of 42674069 is 96047624.

42674069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42081169 + 592900 = 6487^2 + 770^2 .

It is a cyclic number.

It is not a de Polignac number, because 42674069 - 2²⁴ = 25896853 is a prime.

It is a super-2 number, since 2×42674069² = 3642152330033522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42674669) 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, 21337034 + 21337035.

It is an arithmetic number, because the mean of its divisors is an integer number (21337035).

Almost surely, 2^42674069 is an apocalyptic number.

It is an amenable number.

42674069 is a deficient number, since it is larger than the sum of its proper divisors (1).

42674069 is an equidigital number, since it uses as much as digits as its factorization.

42674069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 42674069 is about 6532.5392459594. The cubic root of 42674069 is about 349.4523926441.

The spelling of 42674069 in words is "forty-two million, six hundred seventy-four thousand, sixty-nine".