71303317744 has 20 divisors (see below), whose sum is σ = 142606636480. Its totient is φ = 34501605120.

The previous prime is 71303317699. The next prime is 71303317777. The reversal of 71303317744 is 44771330317.

It is a happy number.

71303317744 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 71303317697 and 71303317706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71877849 + ... + 71878840.

It is an arithmetic number, because the mean of its divisors is an integer number (7130331824).

Almost surely, 2^71303317744 is an apocalyptic number.

It is an amenable number.

71303317744 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71303317744 is a wasteful number, since it uses less digits than its factorization.

71303317744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143756728 (or 143756722 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 40.

The spelling of 71303317744 in words is "seventy-one billion, three hundred three million, three hundred seventeen thousand, seven hundred forty-four".