42308757 has 16 divisors (see below), whose sum is σ = 62802880. Its totient is φ = 28150416.

The previous prime is 42308743. The next prime is 42308759. The reversal of 42308757 is 75780324.

It is not a de Polignac number, because 42308757 - 2¹¹ = 42306709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42308759) 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 in 15 ways as a sum of consecutive naturals, for example, 16143 + ... + 18579.

It is an arithmetic number, because the mean of its divisors is an integer number (3925180).

Almost surely, 2^42308757 is an apocalyptic number.

It is an amenable number.

42308757 is a deficient number, since it is larger than the sum of its proper divisors (20494123).

42308757 is a wasteful number, since it uses less digits than its factorization.

42308757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089 (or 3083 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 42308757 is about 6504.5181989137. The cubic root of 42308757 is about 348.4523694929.

The spelling of 42308757 in words is "forty-two million, three hundred eight thousand, seven hundred fifty-seven".