2273765 has 8 divisors (see below), whose sum is σ = 2938488. Its totient is φ = 1679040.

The previous prime is 2273759. The next prime is 2273771. The reversal of 2273765 is 5673722.

It is a happy number.

2273765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2273759) and next prime (2273771).

It can be written as a sum of positive squares in 4 ways, for example, as 56644 + 2217121 = 238^2 + 1489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2273765 - 2⁶ = 2273701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17426 + ... + 17555.

It is an arithmetic number, because the mean of its divisors is an integer number (367311).

2^2273765 is an apocalyptic number.

It is an amenable number.

2273765 is a deficient number, since it is larger than the sum of its proper divisors (664723).

2273765 is a wasteful number, since it uses less digits than its factorization.

2273765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34999.

The product of its digits is 17640, while the sum is 32.

The square root of 2273765 is about 1507.9008588100. The cubic root of 2273765 is about 131.4968024398.

The spelling of 2273765 in words is "two million, two hundred seventy-three thousand, seven hundred sixty-five".