801673 has 4 divisors (see below), whose sum is σ = 821268. Its totient is φ = 782080.

The previous prime is 801641. The next prime is 801677. The reversal of 801673 is 376108.

801673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 328329 + 473344 = 573^2 + 688^2 .

It is a cyclic number.

It is not a de Polignac number, because 801673 - 2⁵ = 801641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801677) 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, 9736 + ... + 9817.

It is an arithmetic number, because the mean of its divisors is an integer number (205317).

2⁸⁰¹⁶⁷³ is an apocalyptic number.

It is an amenable number.

801673 is a deficient number, since it is larger than the sum of its proper divisors (19595).

801673 is a wasteful number, since it uses less digits than its factorization.

801673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19594.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 801673 is about 895.3619379893. The cubic root of 801673 is about 92.8964430996.

The spelling of 801673 in words is "eight hundred one thousand, six hundred seventy-three".