756543212 has 12 divisors (see below), whose sum is σ = 1325416680. Its totient is φ = 377852736.

The previous prime is 756543211. The next prime is 756543217. The reversal of 756543212 is 212345657.

It is not an unprimeable number, because it can be changed into a prime (756543211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100637 + ... + 107892.

It is an arithmetic number, because the mean of its divisors is an integer number (110451390).

Almost surely, 2^756543212 is an apocalyptic number.

It is an amenable number.

756543212 is a deficient number, since it is larger than the sum of its proper divisors (568873468).

756543212 is a wasteful number, since it uses less digits than its factorization.

756543212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209440 (or 209438 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 756543212 is about 27505.3306106289. The cubic root of 756543212 is about 911.1948286856.

Adding to 756543212 its reverse (212345657), we get a palindrome (968888869).

The spelling of 756543212 in words is "seven hundred fifty-six million, five hundred forty-three thousand, two hundred twelve".