71004441 has 16 divisors (see below), whose sum is σ = 98472960. Its totient is φ = 45454080.

The previous prime is 71004431. The next prime is 71004457. The reversal of 71004441 is 14440017.

It is not a de Polignac number, because 71004441 - 2¹³ = 70996249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71004431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14481 + ... + 18753.

It is an arithmetic number, because the mean of its divisors is an integer number (6154560).

Almost surely, 2^71004441 is an apocalyptic number.

It is an amenable number.

71004441 is a deficient number, since it is larger than the sum of its proper divisors (27468519).

71004441 is a wasteful number, since it uses less digits than its factorization.

71004441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 71004441 is about 8426.4132939229. The cubic root of 71004441 is about 414.0904082701.

Adding to 71004441 its reverse (14440017), we get a palindrome (85444458).

The spelling of 71004441 in words is "seventy-one million, four thousand, four hundred forty-one".