675843820 has 24 divisors (see below), whose sum is σ = 1443330000. Its totient is φ = 265755072.

The previous prime is 675843809. The next prime is 675843829. The reversal of 675843820 is 28348576.

It is not an unprimeable number, because it can be changed into a prime (675843829) 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 7 ways as a sum of consecutive naturals, for example, 285195 + ... + 287554.

It is an arithmetic number, because the mean of its divisors is an integer number (60138750).

Almost surely, 2^675843820 is an apocalyptic number.

It is an amenable number.

675843820 is an abundant number, since it is smaller than the sum of its proper divisors (767486180).

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

675843820 is a wasteful number, since it uses less digits than its factorization.

675843820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572817 (or 572815 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 675843820 is about 25996.9963649649. The cubic root of 675843820 is about 877.5707017921.

The spelling of 675843820 in words is "six hundred seventy-five million, eight hundred forty-three thousand, eight hundred twenty".