42659937 has 24 divisors (see below), whose sum is σ = 64247040. Its totient is φ = 27246240.

The previous prime is 42659909. The next prime is 42659941. The reversal of 42659937 is 73995624.

It is a happy number.

42659937 is a `hidden beast` number, since 4 + 26 + 599 + 37 = 666.

It is not a de Polignac number, because 42659937 - 2⁷ = 42659809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42659892 and 42659901.

It is not an unprimeable number, because it can be changed into a prime (42659977) 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 23 ways as a sum of consecutive naturals, for example, 29139 + ... + 30567.

It is an arithmetic number, because the mean of its divisors is an integer number (2676960).

Almost surely, 2^42659937 is an apocalyptic number.

It is an amenable number.

42659937 is a deficient number, since it is larger than the sum of its proper divisors (21587103).

42659937 is a wasteful number, since it uses less digits than its factorization.

42659937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1573 (or 1570 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 42659937 is about 6531.4574943117. The cubic root of 42659937 is about 349.4138133494.

The spelling of 42659937 in words is "forty-two million, six hundred fifty-nine thousand, nine hundred thirty-seven".