8728672 has 12 divisors (see below), whose sum is σ = 17184636. Its totient is φ = 4364320.

The previous prime is 8728663. The next prime is 8728679. The reversal of 8728672 is 2768278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8728679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136354 + ... + 136417.

It is an arithmetic number, because the mean of its divisors is an integer number (1432053).

Almost surely, 2^8728672 is an apocalyptic number.

It is an amenable number.

8728672 is a deficient number, since it is larger than the sum of its proper divisors (8455964).

8728672 is a wasteful number, since it uses less digits than its factorization.

8728672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272781 (or 272773 counting only the distinct ones).

The product of its digits is 75264, while the sum is 40.

The square root of 8728672 is about 2954.4326020405. The cubic root of 8728672 is about 205.8967025389.

The spelling of 8728672 in words is "eight million, seven hundred twenty-eight thousand, six hundred seventy-two".