6720376896 has 392 divisors, whose sum is σ = 21837746520. Its totient is φ = 2042413056.

The previous prime is 6720376889. The next prime is 6720376963. The reversal of 6720376896 is 6986730276.

It can be written as a sum of positive squares in 4 ways, for example, as 4928040000 + 1792336896 = 70200^2 + 42336^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 29346510 + ... + 29346738.

Almost surely, 2^6720376896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6720376896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10918873260).

6720376896 is an abundant number, since it is smaller than the sum of its proper divisors (15117369624).

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

6720376896 is a wasteful number, since it uses less digits than its factorization.

6720376896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The square root of 6720376896 is about 81977.9049256566. The cubic root of 6720376896 is about 1887.1128708320.

The spelling of 6720376896 in words is "six billion, seven hundred twenty million, three hundred seventy-six thousand, eight hundred ninety-six".