71793039667 has 4 divisors (see below), whose sum is σ = 71805315736. Its totient is φ = 71780763600.

The previous prime is 71793039641. The next prime is 71793039767. The reversal of 71793039667 is 76693039717.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71793039667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71793039067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6129258 + ... + 6140959.

It is an arithmetic number, because the mean of its divisors is an integer number (17951328934).

Almost surely, 2^71793039667 is an apocalyptic number.

71793039667 is a deficient number, since it is larger than the sum of its proper divisors (12276069).

71793039667 is a wasteful number, since it uses less digits than its factorization.

71793039667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12276068.

The product of its (nonzero) digits is 9001692, while the sum is 58.

The spelling of 71793039667 in words is "seventy-one billion, seven hundred ninety-three million, thirty-nine thousand, six hundred sixty-seven".