42967571 has 4 divisors (see below), whose sum is σ = 43114512. Its totient is φ = 42820632.

The previous prime is 42967559. The next prime is 42967601. The reversal of 42967571 is 17576924.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42967571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42967501) 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, 73031 + ... + 73616.

It is an arithmetic number, because the mean of its divisors is an integer number (10778628).

Almost surely, 2^42967571 is an apocalyptic number.

42967571 is a deficient number, since it is larger than the sum of its proper divisors (146941).

42967571 is a wasteful number, since it uses less digits than its factorization.

42967571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146940.

The product of its digits is 105840, while the sum is 41.

The square root of 42967571 is about 6554.9653698551. The cubic root of 42967571 is about 350.2517128075.

The spelling of 42967571 in words is "forty-two million, nine hundred sixty-seven thousand, five hundred seventy-one".