727144993 has 8 divisors (see below), whose sum is σ = 736974080. Its totient is φ = 717331680.

The previous prime is 727144987. The next prime is 727144997. The reversal of 727144993 is 399441727.

727144993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-727144993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (727144997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111133 + ... + 117493.

It is an arithmetic number, because the mean of its divisors is an integer number (92121760).

Almost surely, 2^727144993 is an apocalyptic number.

It is an amenable number.

727144993 is a deficient number, since it is larger than the sum of its proper divisors (9829087).

727144993 is a wasteful number, since it uses less digits than its factorization.

727144993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7887.

The product of its digits is 381024, while the sum is 46.

The square root of 727144993 is about 26965.6261377332. The cubic root of 727144993 is about 899.2359742224.

The spelling of 727144993 in words is "seven hundred twenty-seven million, one hundred forty-four thousand, nine hundred ninety-three".