42567671 has 4 divisors (see below), whose sum is σ = 42592272. Its totient is φ = 42543072.

The previous prime is 42567667. The next prime is 42567689. The reversal of 42567671 is 17676524.

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 42567671 - 2² = 42567667 is a prime.

It is a super-2 number, since 2×42567671² = 3624013228728482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42567601) 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, 9491 + ... + 13236.

It is an arithmetic number, because the mean of its divisors is an integer number (10648068).

Almost surely, 2^42567671 is an apocalyptic number.

42567671 is a deficient number, since it is larger than the sum of its proper divisors (24601).

42567671 is a wasteful number, since it uses less digits than its factorization.

42567671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24600.

The product of its digits is 70560, while the sum is 38.

The square root of 42567671 is about 6524.3904696148. The cubic root of 42567671 is about 349.1617244842.

The spelling of 42567671 in words is "forty-two million, five hundred sixty-seven thousand, six hundred seventy-one".