81832014 has 24 divisors (see below), whose sum is σ = 193421592. Its totient is φ = 24797520.

The previous prime is 81831929. The next prime is 81832019. The reversal of 81832014 is 41023818.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81832019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206449 + ... + 206844.

It is an arithmetic number, because the mean of its divisors is an integer number (8059233).

Almost surely, 2^81832014 is an apocalyptic number.

81832014 is an abundant number, since it is smaller than the sum of its proper divisors (111589578).

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

81832014 is a wasteful number, since it uses less digits than its factorization.

81832014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413312 (or 413309 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 81832014 is about 9046.1049076384. The cubic root of 81832014 is about 434.1512741860.

The spelling of 81832014 in words is "eighty-one million, eight hundred thirty-two thousand, fourteen".