7213775912 has 16 divisors (see below), whose sum is σ = 15458091360. Its totient is φ = 3091618224.

The previous prime is 7213775909. The next prime is 7213775917. The reversal of 7213775912 is 2195773127.

It is not an unprimeable number, because it can be changed into a prime (7213775917) 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, 64408658 + ... + 64408769.

It is an arithmetic number, because the mean of its divisors is an integer number (966130710).

Almost surely, 2^7213775912 is an apocalyptic number.

It is an amenable number.

7213775912 is an abundant number, since it is smaller than the sum of its proper divisors (8244315448).

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

7213775912 is a wasteful number, since it uses less digits than its factorization.

7213775912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128817440 (or 128817436 counting only the distinct ones).

The product of its digits is 185220, while the sum is 44.

The square root of 7213775912 is about 84933.9502907995. The cubic root of 7213775912 is about 1932.2095120907.

The spelling of 7213775912 in words is "seven billion, two hundred thirteen million, seven hundred seventy-five thousand, nine hundred twelve".