673401401 has 16 divisors (see below), whose sum is σ = 716040000. Its totient is φ = 631521216.

The previous prime is 673401367. The next prime is 673401403. The reversal of 673401401 is 104104376.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673401401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (673401403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1322735 + ... + 1323243.

It is an arithmetic number, because the mean of its divisors is an integer number (44752500).

Almost surely, 2^673401401 is an apocalyptic number.

It is an amenable number.

673401401 is a deficient number, since it is larger than the sum of its proper divisors (42638599).

673401401 is a wasteful number, since it uses less digits than its factorization.

673401401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 673401401 is about 25949.9788246542. The cubic root of 673401401 is about 876.5122804623.

Adding to 673401401 its reverse (104104376), we get a palindrome (777505777).

The spelling of 673401401 in words is "six hundred seventy-three million, four hundred one thousand, four hundred one".