42334739 has 2 divisors, whose sum is σ = 42334740. Its totient is φ = 42334738.

The previous prime is 42334729. The next prime is 42334759. The reversal of 42334739 is 93743324.

It is a happy number.

42334739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42334739 - 2⁴ = 42334723 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 42334699 and 42334708.

It is not a weakly prime, because it can be changed into another prime (42334729) 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, 21167369 + 21167370.

It is an arithmetic number, because the mean of its divisors is an integer number (21167370).

Almost surely, 2^42334739 is an apocalyptic number.

42334739 is a deficient number, since it is larger than the sum of its proper divisors (1).

42334739 is an equidigital number, since it uses as much as digits as its factorization.

42334739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 35.

The square root of 42334739 is about 6506.5151194783. The cubic root of 42334739 is about 348.5236836248.

The spelling of 42334739 in words is "forty-two million, three hundred thirty-four thousand, seven hundred thirty-nine".