71345744 has 20 divisors (see below), whose sum is σ = 139291680. Its totient is φ = 35399520.

The previous prime is 71345723. The next prime is 71345777. The reversal of 71345744 is 44754317.

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, 14924 + ... + 19115.

It is an arithmetic number, because the mean of its divisors is an integer number (6964584).

Almost surely, 2^71345744 is an apocalyptic number.

It is an amenable number.

71345744 is a deficient number, since it is larger than the sum of its proper divisors (67945936).

71345744 is a wasteful number, since it uses less digits than its factorization.

71345744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34178 (or 34172 counting only the distinct ones).

The product of its digits is 47040, while the sum is 35.

The square root of 71345744 is about 8446.6409891743. The cubic root of 71345744 is about 414.7528290584.

The spelling of 71345744 in words is "seventy-one million, three hundred forty-five thousand, seven hundred forty-four".