8728107 has 4 divisors (see below), whose sum is σ = 11637480. Its totient is φ = 5818736.

The previous prime is 8728079. The next prime is 8728129. The reversal of 8728107 is 7018278.

8728107 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8728107 - 2¹⁰ = 8727083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8728147) 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, 1454682 + ... + 1454687.

It is an arithmetic number, because the mean of its divisors is an integer number (2909370).

Almost surely, 2^8728107 is an apocalyptic number.

8728107 is a deficient number, since it is larger than the sum of its proper divisors (2909373).

8728107 is a wasteful number, since it uses less digits than its factorization.

8728107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909372.

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 8728107 is about 2954.3369814562. The cubic root of 8728107 is about 205.8922599330.

The spelling of 8728107 in words is "eight million, seven hundred twenty-eight thousand, one hundred seven".