8573000729 has 2 divisors, whose sum is σ = 8573000730. Its totient is φ = 8573000728.

The previous prime is 8573000671. The next prime is 8573000731. The reversal of 8573000729 is 9270003758.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8142355225 + 430645504 = 90235^2 + 20752^2 .

It is a cyclic number.

It is not a de Polignac number, because 8573000729 - 2²⁴ = 8556223513 is a prime.

Together with 8573000731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8573000759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4286500364 + 4286500365.

It is an arithmetic number, because the mean of its divisors is an integer number (4286500365).

Almost surely, 2^8573000729 is an apocalyptic number.

It is an amenable number.

8573000729 is a deficient number, since it is larger than the sum of its proper divisors (1).

8573000729 is an equidigital number, since it uses as much as digits as its factorization.

8573000729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 8573000729 is about 92590.5002092547. The cubic root of 8573000729 is about 2046.6533321707.

The spelling of 8573000729 in words is "eight billion, five hundred seventy-three million, seven hundred twenty-nine", and thus it is an aban number.