727140660 has 48 divisors (see below), whose sum is σ = 2155761216. Its totient is φ = 182497792.

The previous prime is 727140641. The next prime is 727140671. The reversal of 727140660 is 66041727.

727140660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355422 + ... + 357461.

It is an arithmetic number, because the mean of its divisors is an integer number (44911692).

Almost surely, 2^727140660 is an apocalyptic number.

It is an amenable number.

727140660 is an abundant number, since it is smaller than the sum of its proper divisors (1428620556).

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

727140660 is a wasteful number, since it uses less digits than its factorization.

727140660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712912 (or 712910 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 727140660 is about 26965.5457945876. The cubic root of 727140660 is about 899.2341880600.

The spelling of 727140660 in words is "seven hundred twenty-seven million, one hundred forty thousand, six hundred sixty".