71316499 has 4 divisors (see below), whose sum is σ = 71457120. Its totient is φ = 71175880.

The previous prime is 71316467. The next prime is 71316521. The reversal of 71316499 is 99461317.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71316499 - 2⁵ = 71316467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71316409) 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, 69547 + ... + 70564.

It is an arithmetic number, because the mean of its divisors is an integer number (17864280).

Almost surely, 2^71316499 is an apocalyptic number.

71316499 is a deficient number, since it is larger than the sum of its proper divisors (140621).

71316499 is a wasteful number, since it uses less digits than its factorization.

71316499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140620.

The product of its digits is 40824, while the sum is 40.

The square root of 71316499 is about 8444.9096501976. The cubic root of 71316499 is about 414.6961515165.

The spelling of 71316499 in words is "seventy-one million, three hundred sixteen thousand, four hundred ninety-nine".