648514732 has 12 divisors (see below), whose sum is σ = 1140605200. Its totient is φ = 322627536.

The previous prime is 648514721. The next prime is 648514751. The reversal of 648514732 is 237415846.

648514732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406563 + ... + 408154.

Almost surely, 2^648514732 is an apocalyptic number.

It is an amenable number.

648514732 is a deficient number, since it is larger than the sum of its proper divisors (492090468).

648514732 is a wasteful number, since it uses less digits than its factorization.

648514732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814920 (or 814918 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 648514732 is about 25465.9524070866. The cubic root of 648514732 is about 865.5788087052.

The spelling of 648514732 in words is "six hundred forty-eight million, five hundred fourteen thousand, seven hundred thirty-two".