8729011 has 4 divisors (see below), whose sum is σ = 9010624. Its totient is φ = 8447400.

The previous prime is 8728987. The next prime is 8729033. The reversal of 8729011 is 1109278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1109278 = 2 ⋅554639.

It is a cyclic number.

It is not a de Polignac number, because 8729011 - 2⁷ = 8728883 is a prime.

It is a Duffinian number.

8729011 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8729051) 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, 140760 + ... + 140821.

It is an arithmetic number, because the mean of its divisors is an integer number (2252656).

Almost surely, 2^8729011 is an apocalyptic number.

8729011 is a deficient number, since it is larger than the sum of its proper divisors (281613).

8729011 is a wasteful number, since it uses less digits than its factorization.

8729011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281612.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 8729011 is about 2954.4899729056. The cubic root of 8729011 is about 205.8993680103.

The spelling of 8729011 in words is "eight million, seven hundred twenty-nine thousand, eleven".