71716068 has 36 divisors (see below), whose sum is σ = 181621440. Its totient is φ = 23860656.

The previous prime is 71716039. The next prime is 71716103. The reversal of 71716068 is 86061717.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21753 + ... + 24831.

It is an arithmetic number, because the mean of its divisors is an integer number (5045040).

Almost surely, 2^71716068 is an apocalyptic number.

It is an amenable number.

71716068 is an abundant number, since it is smaller than the sum of its proper divisors (109905372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71716068 is a wasteful number, since it uses less digits than its factorization.

71716068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736 (or 3731 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 71716068 is about 8468.5339935552. The cubic root of 71716068 is about 415.4691901547.

The spelling of 71716068 in words is "seventy-one million, seven hundred sixteen thousand, sixty-eight".