71709441 has 16 divisors (see below), whose sum is σ = 98671104. Its totient is φ = 46289664.

The previous prime is 71709437. The next prime is 71709457. The reversal of 71709441 is 14490717.

It is not a de Polignac number, because 71709441 - 2² = 71709437 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71709641) 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, 23305 + ... + 26201.

It is an arithmetic number, because the mean of its divisors is an integer number (6166944).

Almost surely, 2^71709441 is an apocalyptic number.

It is an amenable number.

71709441 is a deficient number, since it is larger than the sum of its proper divisors (26961663).

71709441 is a wasteful number, since it uses less digits than its factorization.

71709441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 71709441 is about 8468.1427125433. The cubic root of 71709441 is about 415.4563924688.

The spelling of 71709441 in words is "seventy-one million, seven hundred nine thousand, four hundred forty-one".