42105567 has 8 divisors (see below), whose sum is σ = 64160896. Its totient is φ = 24060312.

The previous prime is 42105563. The next prime is 42105599. The reversal of 42105567 is 76550124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42105567 - 2² = 42105563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42105563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002493 + ... + 1002534.

It is an arithmetic number, because the mean of its divisors is an integer number (8020112).

Almost surely, 2^42105567 is an apocalyptic number.

42105567 is a deficient number, since it is larger than the sum of its proper divisors (22055329).

42105567 is a wasteful number, since it uses less digits than its factorization.

42105567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005037.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 42105567 is about 6488.8802577949. The cubic root of 42105567 is about 347.8936539231.

The spelling of 42105567 in words is "forty-two million, one hundred five thousand, five hundred sixty-seven".