42037859 has 4 divisors (see below), whose sum is σ = 43865616. Its totient is φ = 40210104.

The previous prime is 42037847. The next prime is 42037867. The reversal of 42037859 is 95873024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42037859 - 2⁴ = 42037843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42036859) 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 3 ways as a sum of consecutive naturals, for example, 913844 + ... + 913889.

It is an arithmetic number, because the mean of its divisors is an integer number (10966404).

Almost surely, 2^42037859 is an apocalyptic number.

42037859 is a deficient number, since it is larger than the sum of its proper divisors (1827757).

42037859 is a wasteful number, since it uses less digits than its factorization.

42037859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827756.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 42037859 is about 6483.6609257425. The cubic root of 42037859 is about 347.7070766880.

The spelling of 42037859 in words is "forty-two million, thirty-seven thousand, eight hundred fifty-nine".