71582852 has 48 divisors (see below), whose sum is σ = 146567232. Its totient is φ = 30228480.

The previous prime is 71582779. The next prime is 71582857. The reversal of 71582852 is 25828517.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (71582857) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 61508 + ... + 62660.

It is an arithmetic number, because the mean of its divisors is an integer number (3053484).

Almost surely, 2^71582852 is an apocalyptic number.

It is an amenable number.

71582852 is an abundant number, since it is smaller than the sum of its proper divisors (74984380).

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

71582852 is a wasteful number, since it uses less digits than its factorization.

71582852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 1266 counting only the distinct ones).

The product of its digits is 44800, while the sum is 38.

The square root of 71582852 is about 8460.6649856852. The cubic root of 71582852 is about 415.2117794582.

The spelling of 71582852 in words is "seventy-one million, five hundred eighty-two thousand, eight hundred fifty-two".