71711052 has 24 divisors (see below), whose sum is σ = 191229696. Its totient is φ = 20488848.

The previous prime is 71711047. The next prime is 71711063. The reversal of 71711052 is 25011717.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 426768 + ... + 426935.

It is an arithmetic number, because the mean of its divisors is an integer number (7967904).

Almost surely, 2^71711052 is an apocalyptic number.

It is an amenable number.

71711052 is an abundant number, since it is smaller than the sum of its proper divisors (119518644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71711052 is a wasteful number, since it uses less digits than its factorization.

71711052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853717 (or 853715 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 24.

The square root of 71711052 is about 8468.2378332213. The cubic root of 71711052 is about 415.4595036130.

Adding to 71711052 its reverse (25011717), we get a palindrome (96722769).

The spelling of 71711052 in words is "seventy-one million, seven hundred eleven thousand, fifty-two".