6409755 has 48 divisors (see below), whose sum is σ = 12669696. Its totient is φ = 2967360.

The previous prime is 6409751. The next prime is 6409757. The reversal of 6409755 is 5579046.

6409755 is a `hidden beast` number, since 640 + 9 + 7 + 5 + 5 = 666.

6409755 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6409755 - 2² = 6409751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6409751) 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, 11104 + ... + 11666.

It is an arithmetic number, because the mean of its divisors is an integer number (263952).

Almost surely, 2^6409755 is an apocalyptic number.

6409755 is a deficient number, since it is larger than the sum of its proper divisors (6259941).

6409755 is a wasteful number, since it uses less digits than its factorization.

6409755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 6409755 is about 2531.7493951811. The cubic root of 6409755 is about 185.7578360813.

The spelling of 6409755 in words is "six million, four hundred nine thousand, seven hundred fifty-five".