727381440345 has 64 divisors (see below), whose sum is σ = 1388333666304. Its totient is φ = 317960121600.

The previous prime is 727381440259. The next prime is 727381440353. The reversal of 727381440345 is 543044183727.

It is not a de Polignac number, because 727381440345 - 2¹⁰ = 727381439321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 727381440294 and 727381440303.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7926294 + ... + 8017536.

It is an arithmetic number, because the mean of its divisors is an integer number (21692713536).

Almost surely, 2^727381440345 is an apocalyptic number.

It is an amenable number.

727381440345 is a deficient number, since it is larger than the sum of its proper divisors (660952225959).

727381440345 is a wasteful number, since it uses less digits than its factorization.

727381440345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94582.

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 727381440345 in words is "seven hundred twenty-seven billion, three hundred eighty-one million, four hundred forty thousand, three hundred forty-five".