675243648 has 128 divisors (see below), whose sum is σ = 2026209600. Its totient is φ = 221322240.

The previous prime is 675243631. The next prime is 675243659. The reversal of 675243648 is 846342576.

675243648 is a `hidden beast` number, since 67 + 524 + 3 + 64 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

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 15 ways as a sum of consecutive naturals, for example, 209215 + ... + 212417.

Almost surely, 2^675243648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 675243648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1013104800).

675243648 is an abundant number, since it is smaller than the sum of its proper divisors (1350965952).

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

675243648 is a wasteful number, since it uses less digits than its factorization.

675243648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287 (or 3269 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 675243648 is about 25985.4506984197. The cubic root of 675243648 is about 877.3108541115.

The spelling of 675243648 in words is "six hundred seventy-five million, two hundred forty-three thousand, six hundred forty-eight".