648372676 has 24 divisors (see below), whose sum is σ = 1298082240. Its totient is φ = 277587552.

The previous prime is 648372667. The next prime is 648372713. The reversal of 648372676 is 676273846.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16935 + ... + 39793.

It is an arithmetic number, because the mean of its divisors is an integer number (54086760).

Almost surely, 2^648372676 is an apocalyptic number.

It is an amenable number.

648372676 is an abundant number, since it is smaller than the sum of its proper divisors (649709564).

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

648372676 is a wasteful number, since it uses less digits than its factorization.

648372676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23883 (or 23881 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 49.

The square root of 648372676 is about 25463.1631185130. The cubic root of 648372676 is about 865.5156029232.

The spelling of 648372676 in words is "six hundred forty-eight million, three hundred seventy-two thousand, six hundred seventy-six".