42935749 has 2 divisors, whose sum is σ = 42935750. Its totient is φ = 42935748.

The previous prime is 42935731. The next prime is 42935771. The reversal of 42935749 is 94753924.

42935749 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 can be written as a sum of positive squares in only one way, i.e., 42640900 + 294849 = 6530^2 + 543^2 .

It is a cyclic number.

It is not a de Polignac number, because 42935749 - 2⁷ = 42935621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42935719) 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, 21467874 + 21467875.

It is an arithmetic number, because the mean of its divisors is an integer number (21467875).

Almost surely, 2^42935749 is an apocalyptic number.

It is an amenable number.

42935749 is a deficient number, since it is larger than the sum of its proper divisors (1).

42935749 is an equidigital number, since it uses as much as digits as its factorization.

42935749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 42935749 is about 6552.5376000447. The cubic root of 42935749 is about 350.1652253907.

The spelling of 42935749 in words is "forty-two million, nine hundred thirty-five thousand, seven hundred forty-nine".