71497343132 has 6 divisors (see below), whose sum is σ = 125120350488. Its totient is φ = 35748671564.

The previous prime is 71497343111. The next prime is 71497343153. The reversal of 71497343132 is 23134379417.

It is an interprime number because it is at equal distance from previous prime (71497343111) and next prime (71497343153).

It is a super-2 number, since 2×71497343132² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8937167888 + ... + 8937167895.

It is an arithmetic number, because the mean of its divisors is an integer number (20853391748).

Almost surely, 2^71497343132 is an apocalyptic number.

It is an amenable number.

71497343132 is a deficient number, since it is larger than the sum of its proper divisors (53623007356).

71497343132 is a wasteful number, since it uses less digits than its factorization.

71497343132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17874335787 (or 17874335785 counting only the distinct ones).

The product of its digits is 381024, while the sum is 44.

The spelling of 71497343132 in words is "seventy-one billion, four hundred ninety-seven million, three hundred forty-three thousand, one hundred thirty-two".