71071023069 has 48 divisors (see below), whose sum is σ = 106174748160. Its totient is φ = 45784823040.

The previous prime is 71071023053. The next prime is 71071023073. The reversal of 71071023069 is 96032017017.

It is a happy number.

It is not a de Polignac number, because 71071023069 - 2⁴ = 71071023053 is a prime.

It is a super-2 number, since 2×71071023069² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71071023019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51462759 + ... + 51464139.

It is an arithmetic number, because the mean of its divisors is an integer number (2211973920).

Almost surely, 2^71071023069 is an apocalyptic number.

It is an amenable number.

71071023069 is a deficient number, since it is larger than the sum of its proper divisors (35103725091).

71071023069 is a wasteful number, since it uses less digits than its factorization.

71071023069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890 (or 2887 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The spelling of 71071023069 in words is "seventy-one billion, seventy-one million, twenty-three thousand, sixty-nine".