8540073 has 20 divisors (see below), whose sum is σ = 12980880. Its totient is φ = 5593752.

The previous prime is 8540053. The next prime is 8540083. The reversal of 8540073 is 3700458.

It is not a de Polignac number, because 8540073 - 2⁶ = 8540009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (8540003) 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 19 ways as a sum of consecutive naturals, for example, 3886 + ... + 5672.

It is an arithmetic number, because the mean of its divisors is an integer number (649044).

Almost surely, 2^8540073 is an apocalyptic number.

It is an amenable number.

8540073 is a deficient number, since it is larger than the sum of its proper divisors (4440807).

8540073 is a wasteful number, since it uses less digits than its factorization.

8540073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858 (or 1849 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 8540073 is about 2922.3403292567. The cubic root of 8540073 is about 204.4029664616.

The spelling of 8540073 in words is "eight million, five hundred forty thousand, seventy-three".