71715441 has 8 divisors (see below), whose sum is σ = 109280704. Its totient is φ = 40980240.

The previous prime is 71715433. The next prime is 71715451. The reversal of 71715441 is 14451717.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71715441 - 2³ = 71715433 is a prime.

It is a super-3 number, since 3×71715441³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71715399 and 71715408.

It is not an unprimeable number, because it can be changed into a prime (71715451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1707490 + ... + 1707531.

It is an arithmetic number, because the mean of its divisors is an integer number (13660088).

Almost surely, 2^71715441 is an apocalyptic number.

It is an amenable number.

71715441 is a deficient number, since it is larger than the sum of its proper divisors (37565263).

71715441 is a wasteful number, since it uses less digits than its factorization.

71715441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415031.

The product of its digits is 3920, while the sum is 30.

The square root of 71715441 is about 8468.4969740799. The cubic root of 71715441 is about 415.4679793616.

The spelling of 71715441 in words is "seventy-one million, seven hundred fifteen thousand, four hundred forty-one".