71447512514 has 32 divisors (see below), whose sum is σ = 123824422656. Its totient is φ = 30285259200.

The previous prime is 71447512511. The next prime is 71447512519. The reversal of 71447512514 is 41521574417.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (71447512511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1341212 + ... + 1393464.

It is an arithmetic number, because the mean of its divisors is an integer number (3869513208).

Almost surely, 2^71447512514 is an apocalyptic number.

71447512514 is a deficient number, since it is larger than the sum of its proper divisors (52376910142).

71447512514 is a wasteful number, since it uses less digits than its factorization.

71447512514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53330.

The product of its digits is 156800, while the sum is 41.

The spelling of 71447512514 in words is "seventy-one billion, four hundred forty-seven million, five hundred twelve thousand, five hundred fourteen".