648097752 has 32 divisors (see below), whose sum is σ = 1705521600. Its totient is φ = 204662304.

The previous prime is 648097739. The next prime is 648097777. The reversal of 648097752 is 257790846.

648097752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×648097752² = 840061392294907008, which contains 22 as substring.

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, 710178 + ... + 711089.

It is an arithmetic number, because the mean of its divisors is an integer number (53297550).

Almost surely, 2^648097752 is an apocalyptic number.

It is an amenable number.

648097752 is an abundant number, since it is smaller than the sum of its proper divisors (1057423848).

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

648097752 is a wasteful number, since it uses less digits than its factorization.

648097752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421295 (or 1421291 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 648097752 is about 25457.7640809243. The cubic root of 648097752 is about 865.3932532003.

The spelling of 648097752 in words is "six hundred forty-eight million, ninety-seven thousand, seven hundred fifty-two".