8128672 has 12 divisors (see below), whose sum is σ = 16003386. Its totient is φ = 4064320.

The previous prime is 8128667. The next prime is 8128691. The reversal of 8128672 is 2768218.

It can be written as a sum of positive squares in only one way, i.e., 7862416 + 266256 = 2804^2 + 516^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126979 + ... + 127042.

Almost surely, 2^8128672 is an apocalyptic number.

It is an amenable number.

8128672 is a deficient number, since it is larger than the sum of its proper divisors (7874714).

8128672 is a wasteful number, since it uses less digits than its factorization.

8128672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254031 (or 254023 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 8128672 is about 2851.0826013990. The cubic root of 8128672 is about 201.0665687118.

The spelling of 8128672 in words is "eight million, one hundred twenty-eight thousand, six hundred seventy-two".