6117720 has 64 divisors (see below), whose sum is σ = 20977920. Its totient is φ = 1398144.

The previous prime is 6117697. The next prime is 6117721. The reversal of 6117720 is 277116.

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 (6117721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2802 + ... + 4481.

It is an arithmetic number, because the mean of its divisors is an integer number (327780).

Almost surely, 2^6117720 is an apocalyptic number.

6117720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6117720 is an abundant number, since it is smaller than the sum of its proper divisors (14860200).

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

6117720 is a wasteful number, since it uses less digits than its factorization.

6117720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7304 (or 7300 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 6117720 is about 2473.4025147557. The cubic root of 6117720 is about 182.8927676591.

The spelling of 6117720 in words is "six million, one hundred seventeen thousand, seven hundred twenty".