81060753 has 8 divisors (see below), whose sum is σ = 111567616. Its totient is φ = 52297200.

The previous prime is 81060751. The next prime is 81060757. The reversal of 81060753 is 35706018.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 81060753 - 2¹ = 81060751 is a prime.

It is a super-3 number, since 3×81060753³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 81060753.

It is not an unprimeable number, because it can be changed into a prime (81060751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435718 + ... + 435903.

It is an arithmetic number, because the mean of its divisors is an integer number (13945952).

Almost surely, 2^81060753 is an apocalyptic number.

It is an amenable number.

81060753 is a deficient number, since it is larger than the sum of its proper divisors (30506863).

81060753 is a wasteful number, since it uses less digits than its factorization.

81060753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871655.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 81060753 is about 9003.3745340289. The cubic root of 81060753 is about 432.7830181181.

The spelling of 81060753 in words is "eighty-one million, sixty thousand, seven hundred fifty-three".