81327062 has 16 divisors (see below), whose sum is σ = 123560640. Its totient is φ = 40143048.

The previous prime is 81327053. The next prime is 81327097. The reversal of 81327062 is 26072318.

It is a happy number.

It is a super-2 number, since 2×81327062² = 13228182027103688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89213 + ... + 90119.

It is an arithmetic number, because the mean of its divisors is an integer number (7722540).

Almost surely, 2^81327062 is an apocalyptic number.

81327062 is a deficient number, since it is larger than the sum of its proper divisors (42233578).

81327062 is a wasteful number, since it uses less digits than its factorization.

81327062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 81327062 is about 9018.1518062184. The cubic root of 81327062 is about 433.2564409261.

The spelling of 81327062 in words is "eighty-one million, three hundred twenty-seven thousand, sixty-two".