71389634227 has 8 divisors (see below), whose sum is σ = 71520827040. Its totient is φ = 71258563200.

The previous prime is 71389634221. The next prime is 71389634383. The reversal of 71389634227 is 72243698317.

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 71389634227 - 2²⁷ = 71255416499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71389634221) 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, 1187274 + ... + 1245952.

It is an arithmetic number, because the mean of its divisors is an integer number (8940103380).

Almost surely, 2^71389634227 is an apocalyptic number.

71389634227 is a deficient number, since it is larger than the sum of its proper divisors (131192813).

71389634227 is a wasteful number, since it uses less digits than its factorization.

71389634227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60893.

The product of its digits is 3048192, while the sum is 52.

The spelling of 71389634227 in words is "seventy-one billion, three hundred eighty-nine million, six hundred thirty-four thousand, two hundred twenty-seven".