42734567 has 2 divisors, whose sum is σ = 42734568. Its totient is φ = 42734566.

The previous prime is 42734563. The next prime is 42734569. The reversal of 42734567 is 76543724.

42734567 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 42734567 - 2² = 42734563 is a prime.

Together with 42734569, it forms a pair of twin primes.

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 42734567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42734563) 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, 21367283 + 21367284.

It is an arithmetic number, because the mean of its divisors is an integer number (21367284).

Almost surely, 2^42734567 is an apocalyptic number.

42734567 is a deficient number, since it is larger than the sum of its proper divisors (1).

42734567 is an equidigital number, since it uses as much as digits as its factorization.

42734567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 38.

The square root of 42734567 is about 6537.1681177709. The cubic root of 42734567 is about 349.6174514160.

The spelling of 42734567 in words is "forty-two million, seven hundred thirty-four thousand, five hundred sixty-seven".