8130073 has 4 divisors (see below), whose sum is σ = 9291520. Its totient is φ = 6968628.

The previous prime is 8130071. The next prime is 8130077. The reversal of 8130073 is 3700318.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3700318 = 2 ⋅1850159.

It is a cyclic number.

It is not a de Polignac number, because 8130073 - 2¹ = 8130071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8130071) 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 3 ways as a sum of consecutive naturals, for example, 580713 + ... + 580726.

It is an arithmetic number, because the mean of its divisors is an integer number (2322880).

Almost surely, 2^8130073 is an apocalyptic number.

It is an amenable number.

8130073 is a deficient number, since it is larger than the sum of its proper divisors (1161447).

8130073 is a wasteful number, since it uses less digits than its factorization.

8130073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161446.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 8130073 is about 2851.3282869568. The cubic root of 8130073 is about 201.0781195154.

The spelling of 8130073 in words is "eight million, one hundred thirty thousand, seventy-three".