82187332 has 6 divisors (see below), whose sum is σ = 143827838. Its totient is φ = 41093664.

The previous prime is 82187327. The next prime is 82187353. The reversal of 82187332 is 23378128.

It can be written as a sum of positive squares in only one way, i.e., 79138816 + 3048516 = 8896^2 + 1746^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10273413 + ... + 10273420.

Almost surely, 2^82187332 is an apocalyptic number.

It is an amenable number.

82187332 is a deficient number, since it is larger than the sum of its proper divisors (61640506).

82187332 is a wasteful number, since it uses less digits than its factorization.

82187332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20546837 (or 20546835 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 82187332 is about 9065.7229165688. The cubic root of 82187332 is about 434.7787345226.

The spelling of 82187332 in words is "eighty-two million, one hundred eighty-seven thousand, three hundred thirty-two".