700000648 has 16 divisors (see below), whose sum is σ = 1324117980. Its totient is φ = 346902528.

The previous prime is 700000643. The next prime is 700000649. The reversal of 700000648 is 846000007.

It can be written as a sum of positive squares in 2 ways, for example, as 666569124 + 33431524 = 25818^2 + 5782^2 .

It is not an unprimeable number, because it can be changed into a prime (700000643) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 386265 + ... + 388072.

Almost surely, 2^700000648 is an apocalyptic number.

It is an amenable number.

700000648 is a deficient number, since it is larger than the sum of its proper divisors (624117332).

700000648 is a wasteful number, since it uses less digits than its factorization.

700000648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774456 (or 774452 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 700000648 is about 26457.5253566920. The cubic root of 700000648 is about 887.9042757243.

The spelling of 700000648 in words is "seven hundred million, six hundred forty-eight", and thus it is an aban number.