6801720 has 32 divisors (see below), whose sum is σ = 20405520. Its totient is φ = 1813760.

The previous prime is 6801713. The next prime is 6801727. The reversal of 6801720 is 271086.

6801720 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (6801713) and next prime (6801727).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6801727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28221 + ... + 28460.

Almost surely, 2^6801720 is an apocalyptic number.

6801720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6801720 is an abundant number, since it is smaller than the sum of its proper divisors (13603800).

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

6801720 is a wasteful number, since it uses less digits than its factorization.

6801720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56695 (or 56691 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 6801720 is about 2608.0107361742. The cubic root of 6801720 is about 189.4696196334.

The spelling of 6801720 in words is "six million, eight hundred one thousand, seven hundred twenty".