71368667 has 4 divisors (see below), whose sum is σ = 71398920. Its totient is φ = 71338416.

The previous prime is 71368657. The next prime is 71368711. The reversal of 71368667 is 76686317.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76686317 = 823 ⋅93179.

It is a cyclic number.

It is not a de Polignac number, because 71368667 - 2⁸ = 71368411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71368657) 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, 11258 + ... + 16415.

It is an arithmetic number, because the mean of its divisors is an integer number (17849730).

Almost surely, 2^71368667 is an apocalyptic number.

71368667 is a deficient number, since it is larger than the sum of its proper divisors (30253).

71368667 is a wasteful number, since it uses less digits than its factorization.

71368667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30252.

The product of its digits is 254016, while the sum is 44.

The square root of 71368667 is about 8447.9978101323. The cubic root of 71368667 is about 414.7972435790.

The spelling of 71368667 in words is "seventy-one million, three hundred sixty-eight thousand, six hundred sixty-seven".