648708036 has 24 divisors (see below), whose sum is σ = 1515861984. Its totient is φ = 215920320.

The previous prime is 648708023. The next prime is 648708037. The reversal of 648708036 is 630807846.

It is not an unprimeable number, because it can be changed into a prime (648708037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30825 + ... + 47408.

It is an arithmetic number, because the mean of its divisors is an integer number (63160916).

Almost surely, 2^648708036 is an apocalyptic number.

It is an amenable number.

648708036 is an abundant number, since it is smaller than the sum of its proper divisors (867153948).

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

648708036 is a wasteful number, since it uses less digits than its factorization.

648708036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78931 (or 78929 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 648708036 is about 25469.7474663570. The cubic root of 648708036 is about 865.6648017270.

The spelling of 648708036 in words is "six hundred forty-eight million, seven hundred eight thousand, thirty-six".