71137722106 has 48 divisors (see below), whose sum is σ = 120031867872. Its totient is φ = 31357944000.

The previous prime is 71137722101. The next prime is 71137722119. The reversal of 71137722106 is 60122773117.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (71137722101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9543681 + ... + 9551131.

It is an arithmetic number, because the mean of its divisors is an integer number (2500663914).

Almost surely, 2^71137722106 is an apocalyptic number.

71137722106 is a deficient number, since it is larger than the sum of its proper divisors (48894145766).

71137722106 is a wasteful number, since it uses less digits than its factorization.

71137722106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7855 (or 7818 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 37.

It can be divided in two parts, 7113772 and 2106, that added together give a triangular number (7115878 = T₃₇₇₂).

The spelling of 71137722106 in words is "seventy-one billion, one hundred thirty-seven million, seven hundred twenty-two thousand, one hundred six".