6727890 has 48 divisors (see below), whose sum is σ = 17497728. Its totient is φ = 1654848.

The previous prime is 6727879. The next prime is 6727927. The reversal of 6727890 is 987276.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4407 + ... + 5733.

It is an arithmetic number, because the mean of its divisors is an integer number (364536).

Almost surely, 2^6727890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6727890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8748864).

6727890 is an abundant number, since it is smaller than the sum of its proper divisors (10769838).

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

6727890 is a wasteful number, since it uses less digits than its factorization.

6727890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363 (or 1350 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 6727890 is about 2593.8176497202. The cubic root of 6727890 is about 188.7815847032.

The spelling of 6727890 in words is "six million, seven hundred twenty-seven thousand, eight hundred ninety".