673240001 has 16 divisors (see below), whose sum is σ = 816420096. Its totient is φ = 541956096.

The previous prime is 673239997. The next prime is 673240003. The reversal of 673240001 is 100042376.

It is a cyclic number.

It is not a de Polignac number, because 673240001 - 2² = 673239997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673240003) 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 15 ways as a sum of consecutive naturals, for example, 52145 + ... + 63761.

It is an arithmetic number, because the mean of its divisors is an integer number (51026256).

Almost surely, 2^673240001 is an apocalyptic number.

It is an amenable number.

673240001 is a deficient number, since it is larger than the sum of its proper divisors (143180095).

673240001 is a wasteful number, since it uses less digits than its factorization.

673240001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12128.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 673240001 is about 25946.8688091646. The cubic root of 673240001 is about 876.4422477470.

Adding to 673240001 its reverse (100042376), we get a palindrome (773282377).

The spelling of 673240001 in words is "six hundred seventy-three million, two hundred forty thousand, one".