663049727 has 8 divisors (see below), whose sum is σ = 706599936. Its totient is φ = 620726392.

The previous prime is 663049693. The next prime is 663049753. The reversal of 663049727 is 727940366.

It is a happy number.

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

It is not a de Polignac number, because 663049727 - 2¹⁰ = 663048703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663049757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305603 + ... + 307764.

It is an arithmetic number, because the mean of its divisors is an integer number (88324992).

Almost surely, 2^663049727 is an apocalyptic number.

663049727 is a deficient number, since it is larger than the sum of its proper divisors (43550209).

663049727 is a wasteful number, since it uses less digits than its factorization.

663049727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613437.

The product of its (nonzero) digits is 381024, while the sum is 44.

The square root of 663049727 is about 25749.7519793881. The cubic root of 663049727 is about 871.9977550759.

The spelling of 663049727 in words is "six hundred sixty-three million, forty-nine thousand, seven hundred twenty-seven".