71992093169 has 8 divisors (see below), whose sum is σ = 72056904480. Its totient is φ = 71927313696.

The previous prime is 71992093141. The next prime is 71992093219. The reversal of 71992093169 is 96139029917.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71992093169 is a prime.

It is a super-2 number, since 2×71992093169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71992090169) 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, 6975557 + ... + 6985869.

It is an arithmetic number, because the mean of its divisors is an integer number (9007113060).

Almost surely, 2^71992093169 is an apocalyptic number.

It is an amenable number.

71992093169 is a deficient number, since it is larger than the sum of its proper divisors (64811311).

71992093169 is a wasteful number, since it uses less digits than its factorization.

71992093169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15919.

The product of its (nonzero) digits is 1653372, while the sum is 56.

The spelling of 71992093169 in words is "seventy-one billion, nine hundred ninety-two million, ninety-three thousand, one hundred sixty-nine".