42096805 has 4 divisors (see below), whose sum is σ = 50516172. Its totient is φ = 33677440.

The previous prime is 42096797. The next prime is 42096827. The reversal of 42096805 is 50869024.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8014561 + 34082244 = 2831^2 + 5838^2 .

It is not a de Polignac number, because 42096805 - 2³ = 42096797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4209676 + ... + 4209685.

It is an arithmetic number, because the mean of its divisors is an integer number (12629043).

Almost surely, 2^42096805 is an apocalyptic number.

It is an amenable number.

42096805 is a deficient number, since it is larger than the sum of its proper divisors (8419367).

42096805 is an equidigital number, since it uses as much as digits as its factorization.

42096805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8419366.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 42096805 is about 6488.2050676593. The cubic root of 42096805 is about 347.8695204899.

The spelling of 42096805 in words is "forty-two million, ninety-six thousand, eight hundred five".