6708817920 has 416 divisors, whose sum is σ = 25854727680. Its totient is φ = 1450967040.

The previous prime is 6708817919. The next prime is 6708817943. The reversal of 6708817920 is 297188076.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 6708817920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8171110 + ... + 8171930.

Almost surely, 2^6708817920 is an apocalyptic number.

6708817920 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 6708817920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12927363840).

6708817920 is an abundant number, since it is smaller than the sum of its proper divisors (19145909760).

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

6708817920 is a wasteful number, since it uses less digits than its factorization.

6708817920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 48.

The square root of 6708817920 is about 81907.3740270069. The cubic root of 6708817920 is about 1886.0303119825.

The spelling of 6708817920 in words is "six billion, seven hundred eight million, eight hundred seventeen thousand, nine hundred twenty".