71744872960655 has 8 divisors (see below), whose sum is σ = 86094147428352. Its totient is φ = 57395698451488.

The previous prime is 71744872960613. The next prime is 71744872960667. The reversal of 71744872960655 is 55606927844717.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71744872960655 - 2²⁸ = 71744604525199 is a prime.

It is a super-2 number, since 2×71744872960655² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

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, 23401412 + ... + 26289081.

It is an arithmetic number, because the mean of its divisors is an integer number (10761768428544).

Almost surely, 2^{71744872960655} is an apocalyptic number.

71744872960655 is a deficient number, since it is larger than the sum of its proper divisors (14349274467697).

71744872960655 is a wasteful number, since it uses less digits than its factorization.

71744872960655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49979265.

The product of its (nonzero) digits is 711244800, while the sum is 71.

The spelling of 71744872960655 in words is "seventy-one trillion, seven hundred forty-four billion, eight hundred seventy-two million, nine hundred sixty thousand, six hundred fifty-five".