71100441 has 12 divisors (see below), whose sum is σ = 104385060. Its totient is φ = 46622880.

The previous prime is 71100439. The next prime is 71100461. The reversal of 71100441 is 14400117.

It can be written as a sum of positive squares in 2 ways, for example, as 28132416 + 42968025 = 5304^2 + 6555^2 .

It is not a de Polignac number, because 71100441 - 2¹ = 71100439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71100461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64206 + ... + 65303.

It is an arithmetic number, because the mean of its divisors is an integer number (8698755).

Almost surely, 2^71100441 is an apocalyptic number.

It is an amenable number.

71100441 is a deficient number, since it is larger than the sum of its proper divisors (33284619).

71100441 is a wasteful number, since it uses less digits than its factorization.

71100441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129576 (or 129573 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 71100441 is about 8432.1077436190. The cubic root of 71100441 is about 414.2769448515.

Adding to 71100441 its reverse (14400117), we get a palindrome (85500558).

The spelling of 71100441 in words is "seventy-one million, one hundred thousand, four hundred forty-one".