6705090 has 96 divisors (see below), whose sum is σ = 20666880. Its totient is φ = 1475712.

The previous prime is 6705079. The next prime is 6705091. The reversal of 6705090 is 905076.

6705090 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

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

It is not an unprimeable number, because it can be changed into a prime (6705091) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18087 + ... + 18453.

It is an arithmetic number, because the mean of its divisors is an integer number (215280).

Almost surely, 2^6705090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6705090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10333440).

6705090 is an abundant number, since it is smaller than the sum of its proper divisors (13961790).

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

6705090 is a wasteful number, since it uses less digits than its factorization.

6705090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 6705090 is about 2589.4188537199. The cubic root of 6705090 is about 188.5680907516.

The spelling of 6705090 in words is "six million, seven hundred five thousand, ninety".