675208640 has 28 divisors (see below), whose sum is σ = 1607841336. Its totient is φ = 270083328.

The previous prime is 675208637. The next prime is 675208649. The reversal of 675208640 is 46802576.

It is a happy number.

675208640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 675208594 and 675208603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675208649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1054694 + ... + 1055333.

Almost surely, 2^675208640 is an apocalyptic number.

It is an amenable number.

675208640 is an abundant number, since it is smaller than the sum of its proper divisors (932632696).

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

675208640 is a wasteful number, since it uses less digits than its factorization.

675208640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110044 (or 2110034 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 675208640 is about 25984.7770819763. Note that the first 3 decimals coincide. The cubic root of 675208640 is about 877.2956924587.

The spelling of 675208640 in words is "six hundred seventy-five million, two hundred eight thousand, six hundred forty".