6720671760 has 320 divisors, whose sum is σ = 23905898496. Its totient is φ = 1545984000.

The previous prime is 6720671759. The next prime is 6720671821. The reversal of 6720671760 is 671760276.

It is a super-2 number, since 2×6720671760² = 90334857811322995200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9168354 + ... + 9169086.

Almost surely, 2^6720671760 is an apocalyptic number.

6720671760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6720671760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11952949248).

6720671760 is an abundant number, since it is smaller than the sum of its proper divisors (17185226736).

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

6720671760 is a wasteful number, since it uses less digits than its factorization.

6720671760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 6720671760 is about 81979.7033417419. The cubic root of 6720671760 is about 1887.1404701527.

The spelling of 6720671760 in words is "six billion, seven hundred twenty million, six hundred seventy-one thousand, seven hundred sixty".