42195071 has 8 divisors (see below), whose sum is σ = 44848080. Its totient is φ = 39561088.

The previous prime is 42195053. The next prime is 42195079. The reversal of 42195071 is 17059124.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42195071 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 (42195079) 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, 41 + ... + 9186.

It is an arithmetic number, because the mean of its divisors is an integer number (5606010).

Almost surely, 2^42195071 is an apocalyptic number.

42195071 is a deficient number, since it is larger than the sum of its proper divisors (2653009).

42195071 is a wasteful number, since it uses less digits than its factorization.

42195071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9513.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 42195071 is about 6495.7733180892. The cubic root of 42195071 is about 348.1399858496.

The spelling of 42195071 in words is "forty-two million, one hundred ninety-five thousand, seventy-one".