727322748481 has 16 divisors (see below), whose sum is σ = 833472718848. Its totient is φ = 621736430400.

The previous prime is 727322748473. The next prime is 727322748499. The reversal of 727322748481 is 184847223727.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 727322748481 - 2³ = 727322748473 is a prime.

It is a super-2 number, since 2×727322748481² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (727322748181) 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, 4391136 + ... + 4553758.

It is an arithmetic number, because the mean of its divisors is an integer number (52092044928).

Almost surely, 2^727322748481 is an apocalyptic number.

It is an amenable number.

727322748481 is a deficient number, since it is larger than the sum of its proper divisors (106149970367).

727322748481 is a wasteful number, since it uses less digits than its factorization.

727322748481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164352.

The product of its digits is 8429568, while the sum is 55.

The spelling of 727322748481 in words is "seven hundred twenty-seven billion, three hundred twenty-two million, seven hundred forty-eight thousand, four hundred eighty-one".