71206052 has 12 divisors (see below), whose sum is σ = 126011340. Its totient is φ = 35202816.

The previous prime is 71206043. The next prime is 71206067. The reversal of 71206052 is 25060217.

It can be written as a sum of positive squares in 2 ways, for example, as 9834496 + 61371556 = 3136^2 + 7834^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 99653 + ... + 100364.

It is an arithmetic number, because the mean of its divisors is an integer number (10500945).

Almost surely, 2^71206052 is an apocalyptic number.

It is an amenable number.

71206052 is a deficient number, since it is larger than the sum of its proper divisors (54805288).

71206052 is a wasteful number, since it uses less digits than its factorization.

71206052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200110 (or 200108 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 71206052 is about 8438.3678516642. The cubic root of 71206052 is about 414.4819626020.

Adding to 71206052 its reverse (25060217), we get a palindrome (96266269).

The spelling of 71206052 in words is "seventy-one million, two hundred six thousand, fifty-two".