82711542 has 16 divisors (see below), whose sum is σ = 172615680. Its totient is φ = 26371752.

The previous prime is 82711529. The next prime is 82711549. The reversal of 82711542 is 24511728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82711549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299542 + ... + 299817.

It is an arithmetic number, because the mean of its divisors is an integer number (10788480).

Almost surely, 2^82711542 is an apocalyptic number.

82711542 is an abundant number, since it is smaller than the sum of its proper divisors (89904138).

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

82711542 is a wasteful number, since it uses less digits than its factorization.

82711542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599387.

The product of its digits is 4480, while the sum is 30.

The square root of 82711542 is about 9094.5886108169. The cubic root of 82711542 is about 435.7011496072.

The spelling of 82711542 in words is "eighty-two million, seven hundred eleven thousand, five hundred forty-two".