42076689 has 16 divisors (see below), whose sum is σ = 57187200. Its totient is φ = 27513216.

The previous prime is 42076681. The next prime is 42076721. The reversal of 42076689 is 98667024.

It is not a de Polignac number, because 42076689 - 2³ = 42076681 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42076689.

It is not an unprimeable number, because it can be changed into a prime (42076681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49732 + ... + 50570.

It is an arithmetic number, because the mean of its divisors is an integer number (3574200).

Almost surely, 2^42076689 is an apocalyptic number.

It is an amenable number.

42076689 is a deficient number, since it is larger than the sum of its proper divisors (15110511).

42076689 is a wasteful number, since it uses less digits than its factorization.

42076689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 42076689 is about 6486.6546848125. The cubic root of 42076689 is about 347.8141017299.

The spelling of 42076689 in words is "forty-two million, seventy-six thousand, six hundred eighty-nine".