71967005332 has 12 divisors (see below), whose sum is σ = 126068587540. Its totient is φ = 35947408896.

The previous prime is 71967005281. The next prime is 71967005339. The reversal of 71967005332 is 23350076917.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57008247696 + 14958757636 = 238764^2 + 122306^2 .

It is a super-2 number, since 2×71967005332² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71967005339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9018957 + ... + 9026932.

Almost surely, 2^71967005332 is an apocalyptic number.

It is an amenable number.

71967005332 is a deficient number, since it is larger than the sum of its proper divisors (54101582208).

71967005332 is a wasteful number, since it uses less digits than its factorization.

71967005332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18046890 (or 18046888 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 43.

The spelling of 71967005332 in words is "seventy-one billion, nine hundred sixty-seven million, five thousand, three hundred thirty-two".