8073999 has 10 divisors (see below), whose sum is σ = 12061280. Its totient is φ = 5382612.

The previous prime is 8073979. The next prime is 8074009. The reversal of 8073999 is 9993708.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-8073999 is a prime.

It is an Ulam number.

It is a Duffinian number.

8073999 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8073959) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 49759 + ... + 49920.

It is an arithmetic number, because the mean of its divisors is an integer number (1206128).

Almost surely, 2^8073999 is an apocalyptic number.

8073999 is a deficient number, since it is larger than the sum of its proper divisors (3987281).

8073999 is an equidigital number, since it uses as much as digits as its factorization.

8073999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99691 (or 99682 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 8073999 is about 2841.4783124282. The cubic root of 8073999 is about 200.6147667066.

The spelling of 8073999 in words is "eight million, seventy-three thousand, nine hundred ninety-nine".