71713667 has 8 divisors (see below), whose sum is σ = 76973616. Its totient is φ = 66569472.

The previous prime is 71713661. The next prime is 71713673. The reversal of 71713667 is 76631717.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (71713661) and next prime (71713673).

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 71713667 - 2¹⁶ = 71648131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71713667.

It is not an unprimeable number, because it can be changed into a prime (71713661) 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, 27653 + ... + 30134.

It is an arithmetic number, because the mean of its divisors is an integer number (9621702).

Almost surely, 2^71713667 is an apocalyptic number.

71713667 is a deficient number, since it is larger than the sum of its proper divisors (5259949).

71713667 is a wasteful number, since it uses less digits than its factorization.

71713667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57877.

The product of its digits is 37044, while the sum is 38.

The square root of 71713667 is about 8468.3922322953. The cubic root of 71713667 is about 415.4645535709.

The spelling of 71713667 in words is "seventy-one million, seven hundred thirteen thousand, six hundred sixty-seven".