71147541 has 16 divisors (see below), whose sum is σ = 96085440. Its totient is φ = 46824960.

The previous prime is 71147539. The next prime is 71147551. The reversal of 71147541 is 14574117.

It is not a de Polignac number, because 71147541 - 2¹ = 71147539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71147499 and 71147508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71147551) 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 15 ways as a sum of consecutive naturals, for example, 105381 + ... + 106053.

It is an arithmetic number, because the mean of its divisors is an integer number (6005340).

Almost surely, 2^71147541 is an apocalyptic number.

It is an amenable number.

71147541 is a deficient number, since it is larger than the sum of its proper divisors (24937899).

71147541 is a wasteful number, since it uses less digits than its factorization.

71147541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076.

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

The square root of 71147541 is about 8434.9001772398. The cubic root of 71147541 is about 414.3684029671.

The spelling of 71147541 in words is "seventy-one million, one hundred forty-seven thousand, five hundred forty-one".