6423705 has 48 divisors (see below), whose sum is σ = 12265344. Its totient is φ = 3214080.

The previous prime is 6423673. The next prime is 6423707. The reversal of 6423705 is 5073246.

It is a happy number.

It is not a de Polignac number, because 6423705 - 2⁵ = 6423673 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

6423705 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6423707) 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, 20500 + ... + 20810.

It is an arithmetic number, because the mean of its divisors is an integer number (255528).

Almost surely, 2^6423705 is an apocalyptic number.

It is an amenable number.

6423705 is a deficient number, since it is larger than the sum of its proper divisors (5841639).

6423705 is a wasteful number, since it uses less digits than its factorization.

6423705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 6423705 is about 2534.5029098425. The cubic root of 6423705 is about 185.8924977125.

The spelling of 6423705 in words is "six million, four hundred twenty-three thousand, seven hundred five".