71041072 has 10 divisors (see below), whose sum is σ = 137642108. Its totient is φ = 35520528.

The previous prime is 71041063. The next prime is 71041127. The reversal of 71041072 is 27014017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220018 + ... + 2220049.

Almost surely, 2^71041072 is an apocalyptic number.

It is an amenable number.

71041072 is a deficient number, since it is larger than the sum of its proper divisors (66601036).

71041072 is a wasteful number, since it uses less digits than its factorization.

71041072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440075 (or 4440069 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 71041072 is about 8428.5865956280. The cubic root of 71041072 is about 414.1616054037.

Adding to 71041072 its reverse (27014017), we get a palindrome (98055089).

The spelling of 71041072 in words is "seventy-one million, forty-one thousand, seventy-two".