8728001 has 4 divisors (see below), whose sum is σ = 8776404. Its totient is φ = 8679600.

The previous prime is 8727989. The next prime is 8728037. The reversal of 8728001 is 1008278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1008278 = 2 ⋅504139.

It can be written as a sum of positive squares in 2 ways, for example, as 201601 + 8526400 = 449^2 + 2920^2 .

It is a cyclic number.

It is not a de Polignac number, because 8728001 - 2⁶ = 8727937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8728901) 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, 23930 + ... + 24291.

It is an arithmetic number, because the mean of its divisors is an integer number (2194101).

Almost surely, 2^8728001 is an apocalyptic number.

It is an amenable number.

8728001 is a deficient number, since it is larger than the sum of its proper divisors (48403).

8728001 is a wasteful number, since it uses less digits than its factorization.

8728001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48402.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 8728001 is about 2954.3190416744. The cubic root of 8728001 is about 205.8914264316.

The spelling of 8728001 in words is "eight million, seven hundred twenty-eight thousand, one".