404667673 has 4 divisors (see below), whose sum is σ = 406903588. Its totient is φ = 402431760.

The previous prime is 404667661. The next prime is 404667701. The reversal of 404667673 is 376766404.

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 65076489 + 339591184 = 8067^2 + 18428^2 .

It is a cyclic number.

It is not a de Polignac number, because 404667673 - 2⁹ = 404667161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (408667673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117686 + ... + 1118047.

It is an arithmetic number, because the mean of its divisors is an integer number (101725897).

Almost surely, 2^404667673 is an apocalyptic number.

It is an amenable number.

404667673 is a deficient number, since it is larger than the sum of its proper divisors (2235915).

404667673 is a wasteful number, since it uses less digits than its factorization.

404667673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235914.

The product of its (nonzero) digits is 508032, while the sum is 43.

The square root of 404667673 is about 20116.3533723188. The cubic root of 404667673 is about 739.6611993025.

The spelling of 404667673 in words is "four hundred four million, six hundred sixty-seven thousand, six hundred seventy-three".