6422765 has 4 divisors (see below), whose sum is σ = 7707324. Its totient is φ = 5138208.

The previous prime is 6422761. The next prime is 6422777. The reversal of 6422765 is 5672246.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4169764 + 2253001 = 2042^2 + 1501^2 .

It is a cyclic number.

It is not a de Polignac number, because 6422765 - 2² = 6422761 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 (6422761) 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, 642272 + ... + 642281.

It is an arithmetic number, because the mean of its divisors is an integer number (1926831).

Almost surely, 2^6422765 is an apocalyptic number.

It is an amenable number.

6422765 is a deficient number, since it is larger than the sum of its proper divisors (1284559).

6422765 is a wasteful number, since it uses less digits than its factorization.

6422765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284558.

The product of its digits is 20160, while the sum is 32.

The square root of 6422765 is about 2534.3174623555. The cubic root of 6422765 is about 185.8834298681.

The spelling of 6422765 in words is "six million, four hundred twenty-two thousand, seven hundred sixty-five".