71141066770 has 16 divisors (see below), whose sum is σ = 131177187288. Its totient is φ = 27762367360.

The previous prime is 71141066767. The next prime is 71141066779. The reversal of 71141066770 is 7766014117.

It can be written as a sum of positive squares in 4 ways, for example, as 42679014921 + 28462051849 = 206589^2 + 168707^2 .

It is a super-2 number, since 2×71141066770² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71141066779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86756989 + ... + 86757808.

Almost surely, 2^71141066770 is an apocalyptic number.

71141066770 is a deficient number, since it is larger than the sum of its proper divisors (60036120518).

71141066770 is a wasteful number, since it uses less digits than its factorization.

71141066770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173514845.

The product of its (nonzero) digits is 49392, while the sum is 40.

The spelling of 71141066770 in words is "seventy-one billion, one hundred forty-one million, sixty-six thousand, seven hundred seventy".