8143073 has 4 divisors (see below), whose sum is σ = 8276628. Its totient is φ = 8009520.

The previous prime is 8143043. The next prime is 8143097. The reversal of 8143073 is 3703418.

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 3179089 + 4963984 = 1783^2 + 2228^2 .

It is a cyclic number.

It is not a de Polignac number, because 8143073 - 2⁸ = 8142817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8143013) 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, 66686 + ... + 66807.

It is an arithmetic number, because the mean of its divisors is an integer number (2069157).

Almost surely, 2^8143073 is an apocalyptic number.

It is an amenable number.

8143073 is a deficient number, since it is larger than the sum of its proper divisors (133555).

8143073 is a wasteful number, since it uses less digits than its factorization.

8143073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133554.

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

The square root of 8143073 is about 2853.6070156908. The cubic root of 8143073 is about 201.1852371890.

The spelling of 8143073 in words is "eight million, one hundred forty-three thousand, seventy-three".