727485311328 has 24 divisors (see below), whose sum is σ = 1909648942488. Its totient is φ = 242495103744.

The previous prime is 727485311321. The next prime is 727485311341. The reversal of 727485311328 is 823113584727.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727485311321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3788985901 + ... + 3788986092.

It is an arithmetic number, because the mean of its divisors is an integer number (79568705937).

Almost surely, 2^727485311328 is an apocalyptic number.

It is an amenable number.

727485311328 is an abundant number, since it is smaller than the sum of its proper divisors (1182163631160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

727485311328 is a wasteful number, since it uses less digits than its factorization.

727485311328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7577972006 (or 7577971998 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The spelling of 727485311328 in words is "seven hundred twenty-seven billion, four hundred eighty-five million, three hundred eleven thousand, three hundred twenty-eight".