6718920 has 128 divisors (see below), whose sum is σ = 22377600. Its totient is φ = 1603584.

The previous prime is 6718919. The next prime is 6718937. The reversal of 6718920 is 298176.

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, 92004 + ... + 92076.

It is an arithmetic number, because the mean of its divisors is an integer number (174825).

Almost surely, 2^6718920 is an apocalyptic number.

6718920 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 6718920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11188800).

6718920 is an abundant number, since it is smaller than the sum of its proper divisors (15658680).

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

6718920 is a wasteful number, since it uses less digits than its factorization.

6718920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 6718920 is about 2592.0879614704. The cubic root of 6718920 is about 188.6976493268.

It can be divided in two parts, 671 and 8920, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 6718920 in words is "six million, seven hundred eighteen thousand, nine hundred twenty".