71556852 has 48 divisors (see below), whose sum is σ = 170956800. Its totient is φ = 23288160.

The previous prime is 71556829. The next prime is 71556883. The reversal of 71556852 is 25865517.

It is a self number, because there is not a number n which added to its sum of digits gives 71556852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149149 + ... + 149627.

It is an arithmetic number, because the mean of its divisors is an integer number (3561600).

Almost surely, 2^71556852 is an apocalyptic number.

It is an amenable number.

71556852 is an abundant number, since it is smaller than the sum of its proper divisors (99399948).

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

71556852 is a wasteful number, since it uses less digits than its factorization.

71556852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756 (or 754 counting only the distinct ones).

The product of its digits is 84000, while the sum is 39.

The square root of 71556852 is about 8459.1283238878. The cubic root of 71556852 is about 415.1615029220.

The spelling of 71556852 in words is "seventy-one million, five hundred fifty-six thousand, eight hundred fifty-two".