648720060 has 48 divisors (see below), whose sum is σ = 1895394816. Its totient is φ = 165470272.

The previous prime is 648720049. The next prime is 648720067. The reversal of 648720060 is 60027846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648720067) 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 15 ways as a sum of consecutive naturals, for example, 233664 + ... + 236423.

It is an arithmetic number, because the mean of its divisors is an integer number (39487392).

Almost surely, 2^648720060 is an apocalyptic number.

648720060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

648720060 is an abundant number, since it is smaller than the sum of its proper divisors (1246674756).

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

648720060 is a wasteful number, since it uses less digits than its factorization.

648720060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470122 (or 470120 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 648720060 is about 25469.9835100064. The cubic root of 648720060 is about 865.6701501471.

The spelling of 648720060 in words is "six hundred forty-eight million, seven hundred twenty thousand, sixty".