42675785 has 4 divisors (see below), whose sum is σ = 51210948. Its totient is φ = 34140624.

The previous prime is 42675769. The next prime is 42675799. The reversal of 42675785 is 58757624.

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 33500944 + 9174841 = 5788^2 + 3029^2 .

It is a cyclic number.

It is not a de Polignac number, because 42675785 - 2⁴ = 42675769 is a prime.

It is a Duffinian 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, 4267574 + ... + 4267583.

It is an arithmetic number, because the mean of its divisors is an integer number (12802737).

Almost surely, 2^42675785 is an apocalyptic number.

It is an amenable number.

42675785 is a deficient number, since it is larger than the sum of its proper divisors (8535163).

42675785 is an equidigital number, since it uses as much as digits as its factorization.

42675785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8535162.

The product of its digits is 470400, while the sum is 44.

The square root of 42675785 is about 6532.6705871336. The cubic root of 42675785 is about 349.4570766148.

The spelling of 42675785 in words is "forty-two million, six hundred seventy-five thousand, seven hundred eighty-five".