8000743 has 4 divisors (see below), whose sum is σ = 8045128. Its totient is φ = 7956360.

The previous prime is 8000719. The next prime is 8000747. The reversal of 8000743 is 3470008.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8000743 - 2⁹ = 8000231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8000747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21921 + ... + 22282.

It is an arithmetic number, because the mean of its divisors is an integer number (2011282).

Almost surely, 2^8000743 is an apocalyptic number.

8000743 is a deficient number, since it is larger than the sum of its proper divisors (44385).

8000743 is a wasteful number, since it uses less digits than its factorization.

8000743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44384.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 8000743 is about 2828.5584667813. The cubic root of 8000743 is about 200.0061914750.

The spelling of 8000743 in words is "eight million, seven hundred forty-three", and thus it is an aban number.