71711699 has 4 divisors (see below), whose sum is σ = 71970864. Its totient is φ = 71452536.

The previous prime is 71711663. The next prime is 71711701. The reversal of 71711699 is 99611717.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99611717 = 6917 ⋅14401.

It is a cyclic number.

It is not a de Polignac number, because 71711699 - 2⁸ = 71711443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71711099) 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, 129167 + ... + 129720.

It is an arithmetic number, because the mean of its divisors is an integer number (17992716).

Almost surely, 2^71711699 is an apocalyptic number.

71711699 is a deficient number, since it is larger than the sum of its proper divisors (259165).

71711699 is a wasteful number, since it uses less digits than its factorization.

71711699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259164.

The product of its digits is 23814, while the sum is 41.

The square root of 71711699 is about 8468.2760347074. The cubic root of 71711699 is about 415.4607530786.

The spelling of 71711699 in words is "seventy-one million, seven hundred eleven thousand, six hundred ninety-nine".