673300249 has 8 divisors (see below), whose sum is σ = 724594248. Its totient is φ = 623304960.

The previous prime is 673300241. The next prime is 673300267. The reversal of 673300249 is 942003376.

It can be written as a sum of positive squares in 4 ways, for example, as 89208025 + 584092224 = 9445^2 + 24168^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 673300249 - 2³ = 673300241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673300241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323602 + ... + 325675.

It is an arithmetic number, because the mean of its divisors is an integer number (90574281).

Almost surely, 2^673300249 is an apocalyptic number.

It is an amenable number.

673300249 is a deficient number, since it is larger than the sum of its proper divisors (51293999).

673300249 is a wasteful number, since it uses less digits than its factorization.

673300249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649355.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 673300249 is about 25948.0297710635. The cubic root of 673300249 is about 876.4683911319.

The spelling of 673300249 in words is "six hundred seventy-three million, three hundred thousand, two hundred forty-nine".