727650648 has 32 divisors (see below), whose sum is σ = 2021252400. Its totient is φ = 242550144.

The previous prime is 727650647. The next prime is 727650653. The reversal of 727650648 is 846056727.

727650648 is a `hidden beast` number, since 72 + 76 + 506 + 4 + 8 = 666.

727650648 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 not an unprimeable number, because it can be changed into a prime (727650647) 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, 1684161 + ... + 1684592.

Almost surely, 2^727650648 is an apocalyptic number.

It is an amenable number.

727650648 is an abundant number, since it is smaller than the sum of its proper divisors (1293601752).

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

727650648 is a wasteful number, since it uses less digits than its factorization.

727650648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368768 (or 3368758 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 727650648 is about 26975.0004263207. Note that the first 3 decimals coincide. The cubic root of 727650648 is about 899.4443681520. Note that the first 3 decimals are identical.

The spelling of 727650648 in words is "seven hundred twenty-seven million, six hundred fifty thousand, six hundred forty-eight".