727428240105 has 32 divisors (see below), whose sum is σ = 1330201522944. Its totient is φ = 332526867456.

The previous prime is 727428240089. The next prime is 727428240167. The reversal of 727428240105 is 501042824727.

It is not a de Polignac number, because 727428240105 - 2⁴ = 727428240089 is a prime.

It is a super-2 number, since 2×727428240105² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3320317 + ... + 3532613.

It is an arithmetic number, because the mean of its divisors is an integer number (41568797592).

Almost surely, 2^727428240105 is an apocalyptic number.

It is an amenable number.

727428240105 is a deficient number, since it is larger than the sum of its proper divisors (602773282839).

727428240105 is a wasteful number, since it uses less digits than its factorization.

727428240105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244945.

The product of its (nonzero) digits is 250880, while the sum is 42.

The spelling of 727428240105 in words is "seven hundred twenty-seven billion, four hundred twenty-eight million, two hundred forty thousand, one hundred five".