71225452217 has 8 divisors (see below), whose sum is σ = 72292986336. Its totient is φ = 70158049632.

The previous prime is 71225452213. The next prime is 71225452231.

71225452217 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 71225452217 - 2² = 71225452213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71225452213) 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, 1914053 + ... + 1950909.

It is an arithmetic number, because the mean of its divisors is an integer number (9036623292).

Almost surely, 2^71225452217 is an apocalyptic number.

It is an amenable number.

71225452217 is a deficient number, since it is larger than the sum of its proper divisors (1067534119).

71225452217 is a wasteful number, since it uses less digits than its factorization.

71225452217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65767.

The product of its digits is 78400, while the sum is 38.

The spelling of 71225452217 in words is "seventy-one billion, two hundred twenty-five million, four hundred fifty-two thousand, two hundred seventeen".