2276643073 has 4 divisors (see below), whose sum is σ = 2280687408. Its totient is φ = 2272598740.

The previous prime is 2276643071. The next prime is 2276643079. The reversal of 2276643073 is 3703466722.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3703466722 = 2 ⋅1851733361.

It is a cyclic number.

It is not a de Polignac number, because 2276643073 - 2¹ = 2276643071 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2276643071) 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, 2021323 + ... + 2022448.

It is an arithmetic number, because the mean of its divisors is an integer number (570171852).

Almost surely, 2^2276643073 is an apocalyptic number.

It is an amenable number.

2276643073 is a deficient number, since it is larger than the sum of its proper divisors (4044335).

2276643073 is an equidigital number, since it uses as much as digits as its factorization.

2276643073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044334.

The product of its (nonzero) digits is 254016, while the sum is 40.

The square root of 2276643073 is about 47714.1810471478. The cubic root of 2276643073 is about 1315.5226079896.

The spelling of 2276643073 in words is "two billion, two hundred seventy-six million, six hundred forty-three thousand, seventy-three".