727432655241261 has 16 divisors (see below), whose sum is σ = 970236546803264. Its totient is φ = 484791948509184.

The previous prime is 727432655241251. The next prime is 727432655241293. The reversal of 727432655241261 is 162142556234727.

It is not a de Polignac number, because 727432655241261 - 2¹⁹ = 727432654716973 is a prime.

It is a super-2 number, since 2×727432655241261² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727432655241251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194291235 + ... + 197999871.

It is an arithmetic number, because the mean of its divisors is an integer number (60639784175204).

Almost surely, 2^{727432655241261} is an apocalyptic number.

It is an amenable number.

727432655241261 is a deficient number, since it is larger than the sum of its proper divisors (242803891562003).

727432655241261 is a wasteful number, since it uses less digits than its factorization.

727432655241261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730620.

The product of its digits is 33868800, while the sum is 57.

The spelling of 727432655241261 in words is "seven hundred twenty-seven trillion, four hundred thirty-two billion, six hundred fifty-five million, two hundred forty-one thousand, two hundred sixty-one".