42667759 has 2 divisors, whose sum is σ = 42667760. Its totient is φ = 42667758.

The previous prime is 42667747. The next prime is 42667777. The reversal of 42667759 is 95776624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42667759 - 2¹³ = 42659567 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42667799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21333879 + 21333880.

It is an arithmetic number, because the mean of its divisors is an integer number (21333880).

Almost surely, 2^42667759 is an apocalyptic number.

42667759 is a deficient number, since it is larger than the sum of its proper divisors (1).

42667759 is an equidigital number, since it uses as much as digits as its factorization.

42667759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 46.

The square root of 42667759 is about 6532.0562612396. The cubic root of 42667759 is about 349.4351678724.

The spelling of 42667759 in words is "forty-two million, six hundred sixty-seven thousand, seven hundred fifty-nine".