71708741 has 4 divisors (see below), whose sum is σ = 77224812. Its totient is φ = 66192672.

The previous prime is 71708731. The next prime is 71708801. The reversal of 71708741 is 14780717.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14780717 = 7 ⋅2111531.

It can be written as a sum of positive squares in 2 ways, for example, as 22287841 + 49420900 = 4721^2 + 7030^2 .

It is a de Polignac number, because none of the positive numbers 2^k-71708741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71708731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2758016 + ... + 2758041.

It is an arithmetic number, because the mean of its divisors is an integer number (19306203).

Almost surely, 2^71708741 is an apocalyptic number.

It is an amenable number.

71708741 is a deficient number, since it is larger than the sum of its proper divisors (5516071).

71708741 is a wasteful number, since it uses less digits than its factorization.

71708741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516070.

The product of its (nonzero) digits is 10976, while the sum is 35.

The square root of 71708741 is about 8468.1013810653. The cubic root of 71708741 is about 415.4550406225.

The spelling of 71708741 in words is "seventy-one million, seven hundred eight thousand, seven hundred forty-one".