6840726 has 8 divisors (see below), whose sum is σ = 13681464. Its totient is φ = 2280240.

The previous prime is 6840721. The next prime is 6840737. The reversal of 6840726 is 6270486.

It is a sphenic number, since it is the product of 3 distinct primes.

6840726 is an admirable number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570055 + ... + 570066.

It is an arithmetic number, because the mean of its divisors is an integer number (1710183).

Almost surely, 2^6840726 is an apocalyptic number.

6840726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6840726 is a wasteful number, since it uses less digits than its factorization.

6840726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140126.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 6840726 is about 2615.4781589606. The cubic root of 6840726 is about 189.8311149324.

The spelling of 6840726 in words is "six million, eight hundred forty thousand, seven hundred twenty-six".