71740465172 has 24 divisors (see below), whose sum is σ = 128654701056. Its totient is φ = 34987190048.

The previous prime is 71740465127. The next prime is 71740465217. The reversal of 71740465172 is 27156404717.

It is an interprime number because it is at equal distance from previous prime (71740465127) and next prime (71740465217).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596108 + ... + 706275.

It is an arithmetic number, because the mean of its divisors is an integer number (5360612544).

Almost surely, 2^71740465172 is an apocalyptic number.

It is an amenable number.

71740465172 is a deficient number, since it is larger than the sum of its proper divisors (56914235884).

71740465172 is a wasteful number, since it uses less digits than its factorization.

71740465172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302727 (or 1302725 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 44.

Adding to 71740465172 its reverse (27156404717), we get a palindrome (98896869889).

The spelling of 71740465172 in words is "seventy-one billion, seven hundred forty million, four hundred sixty-five thousand, one hundred seventy-two".