81034752 has 40 divisors (see below), whose sum is σ = 215885736. Its totient is φ = 27011072.

The previous prime is 81034711. The next prime is 81034769. The reversal of 81034752 is 25743018.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 24843 + ... + 27914.

Almost surely, 2^81034752 is an apocalyptic number.

It is an amenable number.

81034752 is an abundant number, since it is smaller than the sum of its proper divisors (134850984).

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

81034752 is an equidigital number, since it uses as much as digits as its factorization.

81034752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52778 (or 52762 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 81034752 is about 9001.9304596292. The cubic root of 81034752 is about 432.7367400933.

The spelling of 81034752 in words is "eighty-one million, thirty-four thousand, seven hundred fifty-two".