6745860 has 72 divisors (see below), whose sum is σ = 22329216. Its totient is φ = 1634880.

The previous prime is 6745841. The next prime is 6745873. The reversal of 6745860 is 685476.

It is a happy number.

6745860 is a `hidden beast` number, since 6 + 74 + 586 + 0 = 666.

6745860 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277 + ... + 3683.

It is an arithmetic number, because the mean of its divisors is an integer number (310128).

Almost surely, 2^6745860 is an apocalyptic number.

6745860 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 6745860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11164608).

6745860 is an abundant number, since it is smaller than the sum of its proper divisors (15583356).

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

6745860 is a wasteful number, since it uses less digits than its factorization.

6745860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433 (or 3428 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 6745860 is about 2597.2793457770. The cubic root of 6745860 is about 188.9495120034.

The spelling of 6745860 in words is "six million, seven hundred forty-five thousand, eight hundred sixty".