71204240217 has 8 divisors (see below), whose sum is σ = 103569804000. Its totient is φ = 43154084960.

The previous prime is 71204240203. The next prime is 71204240221.

71204240217 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 71204240217 - 2⁷ = 71204240089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71204200217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1078852092 + ... + 1078852157.

It is an arithmetic number, because the mean of its divisors is an integer number (12946225500).

Almost surely, 2^71204240217 is an apocalyptic number.

It is an amenable number.

71204240217 is a deficient number, since it is larger than the sum of its proper divisors (32365563783).

71204240217 is a wasteful number, since it uses less digits than its factorization.

71204240217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157704263.

The product of its (nonzero) digits is 6272, while the sum is 30.

The spelling of 71204240217 in words is "seventy-one billion, two hundred four million, two hundred forty thousand, two hundred seventeen".