71395565 has 8 divisors (see below), whose sum is σ = 89399808. Its totient is φ = 54633040.

The previous prime is 71395561. The next prime is 71395567. The reversal of 71395565 is 56559317.

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

It is not a de Polignac number, because 71395565 - 2² = 71395561 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 (71395561) 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, 310301 + ... + 310530.

It is an arithmetic number, because the mean of its divisors is an integer number (11174976).

Almost surely, 2^71395565 is an apocalyptic number.

It is an amenable number.

71395565 is a deficient number, since it is larger than the sum of its proper divisors (18004243).

71395565 is a wasteful number, since it uses less digits than its factorization.

71395565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620859.

The product of its digits is 141750, while the sum is 41.

The square root of 71395565 is about 8449.5896350060. The cubic root of 71395565 is about 414.8493477462.

The spelling of 71395565 in words is "seventy-one million, three hundred ninety-five thousand, five hundred sixty-five".