42795569 has 4 divisors (see below), whose sum is σ = 43952244. Its totient is φ = 41638896.

The previous prime is 42795563. The next prime is 42795589. The reversal of 42795569 is 96559724.

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 26915344 + 15880225 = 5188^2 + 3985^2 .

It is a cyclic number.

It is not a de Polignac number, because 42795569 - 2²⁰ = 41746993 is a prime.

It is a super-2 number, since 2×42795569² = 3662921452067522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42795563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578282 + ... + 578355.

It is an arithmetic number, because the mean of its divisors is an integer number (10988061).

Almost surely, 2^42795569 is an apocalyptic number.

It is an amenable number.

42795569 is a deficient number, since it is larger than the sum of its proper divisors (1156675).

42795569 is a wasteful number, since it uses less digits than its factorization.

42795569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156674.

The product of its digits is 680400, while the sum is 47.

The square root of 42795569 is about 6541.8322356967. The cubic root of 42795569 is about 349.7837276127.

The spelling of 42795569 in words is "forty-two million, seven hundred ninety-five thousand, five hundred sixty-nine".