71447045514 has 64 divisors (see below), whose sum is σ = 158667683328. Its totient is φ = 21308414400.

The previous prime is 71447045489. The next prime is 71447045531. The reversal of 71447045514 is 41554074417.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358069 + ... + 520679.

It is an arithmetic number, because the mean of its divisors is an integer number (2479182552).

Almost surely, 2^71447045514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71447045514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79333841664).

71447045514 is an abundant number, since it is smaller than the sum of its proper divisors (87220637814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71447045514 is a wasteful number, since it uses less digits than its factorization.

71447045514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162803.

The product of its (nonzero) digits is 313600, while the sum is 42.

The spelling of 71447045514 in words is "seventy-one billion, four hundred forty-seven million, forty-five thousand, five hundred fourteen".