6719998968 has 24 divisors (see below), whose sum is σ = 18199997400. Its totient is φ = 2239999632.

The previous prime is 6719998963. The next prime is 6719998997. The reversal of 6719998968 is 8698999176.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×6719998968² = 90316772259842130048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72), and also a Moran number because the ratio is a prime number: 93333319 = 6719998968 / (6 + 7 + 1 + 9 + 9 + 9 + 8 + 9 + 6 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 6719998896 and 6719998905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6719998963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46666588 + ... + 46666731.

It is an arithmetic number, because the mean of its divisors is an integer number (758333225).

Almost surely, 2^6719998968 is an apocalyptic number.

It is an amenable number.

6719998968 is an abundant number, since it is smaller than the sum of its proper divisors (11479998432).

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

6719998968 is a wasteful number, since it uses less digits than its factorization.

6719998968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93333331 (or 93333324 counting only the distinct ones).

The product of its digits is 105815808, while the sum is 72.

The square root of 6719998968 is about 81975.5998331211. The cubic root of 6719998968 is about 1887.0774955262.

The spelling of 6719998968 in words is "six billion, seven hundred nineteen million, nine hundred ninety-eight thousand, nine hundred sixty-eight".