71718232492 has 12 divisors (see below), whose sum is σ = 125515248376. Its totient is φ = 35856732960.

The previous prime is 71718232463. The next prime is 71718232499. The reversal of 71718232492 is 29423281717.

It is not an unprimeable number, because it can be changed into a prime (71718232499) 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, 527238 + ... + 649165.

Almost surely, 2^71718232492 is an apocalyptic number.

It is an amenable number.

71718232492 is a deficient number, since it is larger than the sum of its proper divisors (53797015884).

71718232492 is a wasteful number, since it uses less digits than its factorization.

71718232492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191648 (or 1191646 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The spelling of 71718232492 in words is "seventy-one billion, seven hundred eighteen million, two hundred thirty-two thousand, four hundred ninety-two".