7862220672 has 64 divisors (see below), whose sum is σ = 21983203200. Its totient is φ = 2482804224.

The previous prime is 7862220671. The next prime is 7862220679. The reversal of 7862220672 is 2760222687.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7862220671) 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 7 ways as a sum of consecutive naturals, for example, 531508 + ... + 546099.

It is an arithmetic number, because the mean of its divisors is an integer number (343487550).

Almost surely, 2^7862220672 is an apocalyptic number.

It is an amenable number.

7862220672 is an abundant number, since it is smaller than the sum of its proper divisors (14120982528).

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

7862220672 is a wasteful number, since it uses less digits than its factorization.

7862220672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077643 (or 1077631 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 7862220672 is about 88669.1641553026. The cubic root of 7862220672 is about 1988.4518376451.

The spelling of 7862220672 in words is "seven billion, eight hundred sixty-two million, two hundred twenty thousand, six hundred seventy-two".