673230001 has 4 divisors (see below), whose sum is σ = 676170100. Its totient is φ = 670289904.

The previous prime is 673229969. The next prime is 673230011. The reversal of 673230001 is 100032376.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 553896225 + 119333776 = 23535^2 + 10924^2 .

It is a cyclic number.

It is not a de Polignac number, because 673230001 - 2⁵ = 673229969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673230011) 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, 1469706 + ... + 1470163.

It is an arithmetic number, because the mean of its divisors is an integer number (169042525).

Almost surely, 2^673230001 is an apocalyptic number.

It is an amenable number.

673230001 is a deficient number, since it is larger than the sum of its proper divisors (2940099).

673230001 is a wasteful number, since it uses less digits than its factorization.

673230001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940098.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 673230001 is about 25946.6761069698. The cubic root of 673230001 is about 876.4379083010.

Adding to 673230001 its reverse (100032376), we get a palindrome (773262377).

The spelling of 673230001 in words is "six hundred seventy-three million, two hundred thirty thousand, one".