71440681414670 has 32 divisors (see below), whose sum is σ = 138509228119680. Its totient is φ = 26442670816800.

The previous prime is 71440681414667. The next prime is 71440681414691. The reversal of 71440681414670 is 7641418604417.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4372126556 + ... + 4372142895.

It is an arithmetic number, because the mean of its divisors is an integer number (4328413378740).

Almost surely, 2^{71440681414670} is an apocalyptic number.

71440681414670 is a deficient number, since it is larger than the sum of its proper divisors (67068546705010).

71440681414670 is a wasteful number, since it uses less digits than its factorization.

71440681414670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8744269520.

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 71440681414670 in words is "seventy-one trillion, four hundred forty billion, six hundred eighty-one million, four hundred fourteen thousand, six hundred seventy".