6434765 has 4 divisors (see below), whose sum is σ = 7721724. Its totient is φ = 5147808.

The previous prime is 6434759. The next prime is 6434767. The reversal of 6434765 is 5674346.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5674346 = 2 ⋅2837173.

It can be written as a sum of positive squares in 2 ways, for example, as 3865156 + 2569609 = 1966^2 + 1603^2 .

It is a cyclic number.

It is not a de Polignac number, because 6434765 - 2¹⁰ = 6433741 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 (6434767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643472 + ... + 643481.

It is an arithmetic number, because the mean of its divisors is an integer number (1930431).

Almost surely, 2^6434765 is an apocalyptic number.

It is an amenable number.

6434765 is a deficient number, since it is larger than the sum of its proper divisors (1286959).

6434765 is a wasteful number, since it uses less digits than its factorization.

6434765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286958.

The product of its digits is 60480, while the sum is 35.

The square root of 6434765 is about 2536.6838588993. The cubic root of 6434765 is about 185.9991232086. Note that the first 3 decimals are identical.

The spelling of 6434765 in words is "six million, four hundred thirty-four thousand, seven hundred sixty-five".