42324739 has 2 divisors, whose sum is σ = 42324740. Its totient is φ = 42324738.

The previous prime is 42324719. The next prime is 42324773. The reversal of 42324739 is 93742324.

It is a happy number.

It is an a-pointer prime, because the next prime (42324773) can be obtained adding 42324739 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42324739 - 2²¹ = 40227587 is a prime.

It is not a weakly prime, because it can be changed into another prime (42324719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21162369 + 21162370.

It is an arithmetic number, because the mean of its divisors is an integer number (21162370).

Almost surely, 2^42324739 is an apocalyptic number.

42324739 is a deficient number, since it is larger than the sum of its proper divisors (1).

42324739 is an equidigital number, since it uses as much as digits as its factorization.

42324739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 34.

The square root of 42324739 is about 6505.7466135717. The cubic root of 42324739 is about 348.4962395652.

The spelling of 42324739 in words is "forty-two million, three hundred twenty-four thousand, seven hundred thirty-nine".