71715470372305 has 8 divisors (see below), whose sum is σ = 86252827574592. Its totient is φ = 57242867545968.

The previous prime is 71715470372281. The next prime is 71715470372317. The reversal of 71715470372305 is 50327307451717.

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 71715470372305 - 2²¹ = 71715468275153 is a prime.

It is a super-2 number, since 2×71715470372305² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16188591549 + ... + 16188595978.

It is an arithmetic number, because the mean of its divisors is an integer number (10781603446824).

Almost surely, 2^{71715470372305} is an apocalyptic number.

It is an amenable number.

71715470372305 is a deficient number, since it is larger than the sum of its proper divisors (14537357202287).

71715470372305 is a wasteful number, since it uses less digits than its factorization.

71715470372305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32377187975.

The product of its (nonzero) digits is 4321800, while the sum is 52.

The spelling of 71715470372305 in words is "seventy-one trillion, seven hundred fifteen billion, four hundred seventy million, three hundred seventy-two thousand, three hundred five".