8728007 has 4 divisors (see below), whose sum is σ = 8805360. Its totient is φ = 8650656.

The previous prime is 8727989. The next prime is 8728037. The reversal of 8728007 is 7008278.

It is a happy number.

8728007 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 7008278 = 2 ⋅3504139.

It is a cyclic number.

It is not a de Polignac number, because 8728007 - 2¹⁰ = 8726983 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 (8728037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38507 + ... + 38732.

It is an arithmetic number, because the mean of its divisors is an integer number (2201340).

Almost surely, 2^8728007 is an apocalyptic number.

8728007 is a deficient number, since it is larger than the sum of its proper divisors (77353).

8728007 is a wasteful number, since it uses less digits than its factorization.

8728007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77352.

The product of its (nonzero) digits is 6272, while the sum is 32.

The square root of 8728007 is about 2954.3200571367. The cubic root of 8728007 is about 205.8914736112.

The spelling of 8728007 in words is "eight million, seven hundred twenty-eight thousand, seven".