648769748 has 24 divisors (see below), whose sum is σ = 1245494880. Its totient is φ = 293244320.

The previous prime is 648769739. The next prime is 648769753. The reversal of 648769748 is 847967846.

648769748 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 7 ways as a sum of consecutive naturals, for example, 33311 + ... + 49062.

It is an arithmetic number, because the mean of its divisors is an integer number (51895620).

Almost surely, 2^648769748 is an apocalyptic number.

It is an amenable number.

648769748 is a deficient number, since it is larger than the sum of its proper divisors (596725132).

648769748 is a wasteful number, since it uses less digits than its factorization.

648769748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82567 (or 82565 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 59.

The square root of 648769748 is about 25470.9589140260. The cubic root of 648769748 is about 865.6922512674.

The spelling of 648769748 in words is "six hundred forty-eight million, seven hundred sixty-nine thousand, seven hundred forty-eight".