71725759 has 16 divisors (see below), whose sum is σ = 84736000. Its totient is φ = 60678072.

The previous prime is 71725747. The next prime is 71725783. The reversal of 71725759 is 95752717.

It is not a de Polignac number, because 71725759 - 2¹¹ = 71723711 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 (71725739) 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, 25774 + ... + 28420.

It is an arithmetic number, because the mean of its divisors is an integer number (5296000).

Almost surely, 2^71725759 is an apocalyptic number.

71725759 is a gapful number since it is divisible by the number (79) formed by its first and last digit.

71725759 is a deficient number, since it is larger than the sum of its proper divisors (13010241).

71725759 is an equidigital number, since it uses as much as digits as its factorization.

71725759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747 (or 2733 counting only the distinct ones).

The product of its digits is 154350, while the sum is 43.

The square root of 71725759 is about 8469.1061511827. The cubic root of 71725759 is about 415.4879034439.

The spelling of 71725759 in words is "seventy-one million, seven hundred twenty-five thousand, seven hundred fifty-nine".