71130441 has 4 divisors (see below), whose sum is σ = 94840592. Its totient is φ = 47420292.

The previous prime is 71130439. The next prime is 71130469. The reversal of 71130441 is 14403117.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14403117 = 3 ⋅4801039.

It is not a de Polignac number, because 71130441 - 2¹ = 71130439 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71130401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11855071 + ... + 11855076.

It is an arithmetic number, because the mean of its divisors is an integer number (23710148).

Almost surely, 2^71130441 is an apocalyptic number.

It is an amenable number.

71130441 is a deficient number, since it is larger than the sum of its proper divisors (23710151).

71130441 is a wasteful number, since it uses less digits than its factorization.

71130441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23710150.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 71130441 is about 8433.8864706611. The cubic root of 71130441 is about 414.3352030966.

Adding to 71130441 its reverse (14403117), we get a palindrome (85533558).

The spelling of 71130441 in words is "seventy-one million, one hundred thirty thousand, four hundred forty-one".