6475709 has 4 divisors (see below), whose sum is σ = 6557760. Its totient is φ = 6393660.

The previous prime is 6475687. The next prime is 6475717. The reversal of 6475709 is 9075746.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6475709 - 2²⁰ = 5427133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6475739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40907 + ... + 41064.

It is an arithmetic number, because the mean of its divisors is an integer number (1639440).

Almost surely, 2^6475709 is an apocalyptic number.

It is an amenable number.

6475709 is a deficient number, since it is larger than the sum of its proper divisors (82051).

6475709 is an equidigital number, since it uses as much as digits as its factorization.

6475709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82050.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 6475709 is about 2544.7414406969. The cubic root of 6475709 is about 186.3927896202.

The spelling of 6475709 in words is "six million, four hundred seventy-five thousand, seven hundred nine".