105603673 has 6 divisors (see below), whose sum is σ = 122845146. Its totient is φ = 90517392.

The previous prime is 105603671. The next prime is 105603683. The reversal of 105603673 is 376306501.

It can be written as a sum of positive squares in only one way, i.e., 105021504 + 582169 = 10248^2 + 763^2 .

It is not a de Polignac number, because 105603673 - 2¹ = 105603671 is a prime.

It is a super-2 number, since 2×105603673² = 22304271502181858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105603671) 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 5 ways as a sum of consecutive naturals, for example, 1077540 + ... + 1077637.

It is an arithmetic number, because the mean of its divisors is an integer number (20474191).

Almost surely, 2^105603673 is an apocalyptic number.

It is an amenable number.

105603673 is a deficient number, since it is larger than the sum of its proper divisors (17241473).

105603673 is an equidigital number, since it uses as much as digits as its factorization.

105603673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155191 (or 2155184 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 105603673 is about 10276.3647755420. The cubic root of 105603673 is about 472.6717802476.

It can be divided in two parts, 105603 and 673, that added together give a square (106276 = 326²).

The spelling of 105603673 in words is "one hundred five million, six hundred three thousand, six hundred seventy-three".