7312322668 has 24 divisors (see below), whose sum is σ = 14676338432. Its totient is φ = 3122775504.

The previous prime is 7312322627. The next prime is 7312322669. The reversal of 7312322668 is 8662232137.

It is a self number, because there is not a number n which added to its sum of digits gives 7312322668.

It is not an unprimeable number, because it can be changed into a prime (7312322669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453480 + ... + 469327.

Almost surely, 2^7312322668 is an apocalyptic number.

It is an amenable number.

7312322668 is an abundant number, since it is smaller than the sum of its proper divisors (7364015764).

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

7312322668 is a wasteful number, since it uses less digits than its factorization.

7312322668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923101 (or 923099 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 7312322668 is about 85512.1200064646. The cubic root of 7312322668 is about 1940.9683290736.

The spelling of 7312322668 in words is "seven billion, three hundred twelve million, three hundred twenty-two thousand, six hundred sixty-eight".