727644640575212 has 24 divisors (see below), whose sum is σ = 1309848722053872. Its totient is φ = 353475789350400.

The previous prime is 727644640575211. The next prime is 727644640575227. The reversal of 727644640575212 is 212575046446727.

It is not an unprimeable number, because it can be changed into a prime (727644640575211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9205059158 + ... + 9205138205.

It is an arithmetic number, because the mean of its divisors is an integer number (54577030085578).

Almost surely, 2^{727644640575212} is an apocalyptic number.

It is an amenable number.

727644640575212 is a deficient number, since it is larger than the sum of its proper divisors (582204081478660).

727644640575212 is a wasteful number, since it uses less digits than its factorization.

727644640575212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18410197649 (or 18410197647 counting only the distinct ones).

The product of its (nonzero) digits is 158054400, while the sum is 62.

The spelling of 727644640575212 in words is "seven hundred twenty-seven trillion, six hundred forty-four billion, six hundred forty million, five hundred seventy-five thousand, two hundred twelve".