81327032 has 16 divisors (see below), whose sum is σ = 152604600. Its totient is φ = 40632480.

The previous prime is 81327017. The next prime is 81327041. The reversal of 81327032 is 23072318.

It is a super-2 number, since 2×81327032² = 13228172267858048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 81326992 and 81327010.

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, 10307 + ... + 16397.

Almost surely, 2^81327032 is an apocalyptic number.

It is an amenable number.

81327032 is a deficient number, since it is larger than the sum of its proper divisors (71277568).

81327032 is a wasteful number, since it uses less digits than its factorization.

81327032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7766 (or 7762 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 81327032 is about 9018.1501429062. The cubic root of 81327032 is about 433.2563876527.

The spelling of 81327032 in words is "eighty-one million, three hundred twenty-seven thousand, thirty-two".