6429975 has 12 divisors (see below), whose sum is σ = 10631016. Its totient is φ = 3429280.

The previous prime is 6429953. The next prime is 6429977. The reversal of 6429975 is 5799246.

It is not a de Polignac number, because 6429975 - 2⁹ = 6429463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6429977) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 42792 + ... + 42941.

It is an arithmetic number, because the mean of its divisors is an integer number (885918).

Almost surely, 2^6429975 is an apocalyptic number.

6429975 is a deficient number, since it is larger than the sum of its proper divisors (4201041).

6429975 is a wasteful number, since it uses less digits than its factorization.

6429975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85746 (or 85741 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 6429975 is about 2535.7395370976. The cubic root of 6429975 is about 185.9529595460.

The spelling of 6429975 in words is "six million, four hundred twenty-nine thousand, nine hundred seventy-five".