6709040 has 40 divisors (see below), whose sum is σ = 16801008. Its totient is φ = 2476800.

The previous prime is 6709019. The next prime is 6709049. The reversal of 6709040 is 409076.

6709040 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×6709040² = 90022435443200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (6709049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2186 + ... + 4265.

Almost surely, 2^6709040 is an apocalyptic number.

It is an amenable number.

6709040 is an abundant number, since it is smaller than the sum of its proper divisors (10091968).

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

6709040 is a wasteful number, since it uses less digits than its factorization.

6709040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6477 (or 6471 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 6709040 is about 2590.1814608247. The cubic root of 6709040 is about 188.6051122653.

The spelling of 6709040 in words is "six million, seven hundred nine thousand, forty".