673120105 has 12 divisors (see below), whose sum is σ = 939621060. Its totient is φ = 461567904.

The previous prime is 673120103. The next prime is 673120111. The reversal of 673120105 is 501021376.

It can be written as a sum of positive squares in 2 ways, for example, as 195216784 + 477903321 = 13972^2 + 21861^2 .

It is not a de Polignac number, because 673120105 - 2¹ = 673120103 is a prime.

It is a super-2 number, since 2×673120105² = 906181351510422050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 673120105.

It is not an unprimeable number, because it can be changed into a prime (673120103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1373470 + ... + 1373959.

It is an arithmetic number, because the mean of its divisors is an integer number (78301755).

Almost surely, 2^673120105 is an apocalyptic number.

It is an amenable number.

673120105 is a deficient number, since it is larger than the sum of its proper divisors (266500955).

673120105 is a wasteful number, since it uses less digits than its factorization.

673120105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747448 (or 2747441 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 673120105 is about 25944.5582926362. The cubic root of 673120105 is about 876.3902166941.

The spelling of 673120105 in words is "six hundred seventy-three million, one hundred twenty thousand, one hundred five".