6432775 has 6 divisors (see below), whose sum is σ = 7976672. Its totient is φ = 5146200.

The previous prime is 6432743. The next prime is 6432799. The reversal of 6432775 is 5772346.

It is a happy number.

6432775 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6432775 - 2⁵ = 6432743 is a prime.

It is a Duffinian number.

6432775 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6432775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128631 + ... + 128680.

Almost surely, 2^6432775 is an apocalyptic number.

6432775 is a deficient number, since it is larger than the sum of its proper divisors (1543897).

6432775 is a wasteful number, since it uses less digits than its factorization.

6432775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257321 (or 257316 counting only the distinct ones).

The product of its digits is 35280, while the sum is 34.

The square root of 6432775 is about 2536.2915841835. The cubic root of 6432775 is about 185.9799473507.

The spelling of 6432775 in words is "six million, four hundred thirty-two thousand, seven hundred seventy-five".