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3105073 = 4372211

3105073 has 4 divisors (see below), whose sum is σ = 3177328. Its totient is φ = 3032820.

The previous prime is 3105071. The next prime is 3105079. The reversal of 3105073 is 3705013.

3105073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 3105073 - 21 = 3105071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3105073.

It is not an unprimeable number, because it can be changed into a prime (3105071) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 36063 + ... + 36148.

It is an arithmetic number, because the mean of its divisors is an integer number (794332).

Almost surely, 23105073 is an apocalyptic number.

It is an amenable number.

3105073 is a deficient number, since it is larger than the sum of its proper divisors (72255).

3105073 is an equidigital number, since it uses as much as digits as its factorization.

3105073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72254.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 3105073 is about 1762.1217324578. The cubic root of 3105073 is about 145.8894672247.

The spelling of 3105073 in words is "three million, one hundred five thousand, seventy-three".

Divisors: 1 43 72211 3105073