42070867 has 2 divisors, whose sum is σ = 42070868. Its totient is φ = 42070866.

The previous prime is 42070859. The next prime is 42070871. The reversal of 42070867 is 76807024.

42070867 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 is a cyclic number.

It is not a de Polignac number, because 42070867 - 2³ = 42070859 is a prime.

It is not a weakly prime, because it can be changed into another prime (42070267) 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, 21035433 + 21035434.

It is an arithmetic number, because the mean of its divisors is an integer number (21035434).

Almost surely, 2^42070867 is an apocalyptic number.

42070867 is a deficient number, since it is larger than the sum of its proper divisors (1).

42070867 is an equidigital number, since it uses as much as digits as its factorization.

42070867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 42070867 is about 6486.2059017580. The cubic root of 42070867 is about 347.7980590615.

The spelling of 42070867 in words is "forty-two million, seventy thousand, eight hundred sixty-seven".