42420467 has 2 divisors, whose sum is σ = 42420468. Its totient is φ = 42420466.

The previous prime is 42420451. The next prime is 42420473. The reversal of 42420467 is 76402424.

42420467 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 42420467 - 2⁴ = 42420451 is a prime.

It is not a weakly prime, because it can be changed into another prime (42420067) 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, 21210233 + 21210234.

It is an arithmetic number, because the mean of its divisors is an integer number (21210234).

Almost surely, 2^42420467 is an apocalyptic number.

42420467 is a deficient number, since it is larger than the sum of its proper divisors (1).

42420467 is an equidigital number, since it uses as much as digits as its factorization.

42420467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 42420467 is about 6513.0996460979. The cubic root of 42420467 is about 348.7587789143.

The spelling of 42420467 in words is "forty-two million, four hundred twenty thousand, four hundred sixty-seven".