82142708 has 12 divisors (see below), whose sum is σ = 152205732. Its totient is φ = 38655360.

The previous prime is 82142689. The next prime is 82142717. The reversal of 82142708 is 80724128.

It can be written as a sum of positive squares in 2 ways, for example, as 71199844 + 10942864 = 8438^2 + 3308^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603923 + ... + 604058.

It is an arithmetic number, because the mean of its divisors is an integer number (12683811).

Almost surely, 2^82142708 is an apocalyptic number.

It is an amenable number.

82142708 is a deficient number, since it is larger than the sum of its proper divisors (70063024).

82142708 is a wasteful number, since it uses less digits than its factorization.

82142708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208002 (or 1208000 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 82142708 is about 9063.2614438733. The cubic root of 82142708 is about 434.7000318879.

The spelling of 82142708 in words is "eighty-two million, one hundred forty-two thousand, seven hundred eight".