42076539 has 6 divisors (see below), whose sum is σ = 60777236. Its totient is φ = 28051020.

The previous prime is 42076501. The next prime is 42076549. The reversal of 42076539 is 93567024.

It is not a de Polignac number, because 42076539 - 2¹¹ = 42074491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42076549) 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 5 ways as a sum of consecutive naturals, for example, 2337577 + ... + 2337594.

Almost surely, 2^42076539 is an apocalyptic number.

42076539 is a deficient number, since it is larger than the sum of its proper divisors (18700697).

42076539 is a wasteful number, since it uses less digits than its factorization.

42076539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675177 (or 4675174 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 42076539 is about 6486.6431226020. The cubic root of 42076539 is about 347.8136884197.

The spelling of 42076539 in words is "forty-two million, seventy-six thousand, five hundred thirty-nine".