8647072 has 24 divisors (see below), whose sum is σ = 19456416. Its totient is φ = 3705792.

The previous prime is 8647063. The next prime is 8647091. The reversal of 8647072 is 2707468.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19078 + ... + 19525.

It is an arithmetic number, because the mean of its divisors is an integer number (810684).

Almost surely, 2^8647072 is an apocalyptic number.

It is an amenable number.

8647072 is an abundant number, since it is smaller than the sum of its proper divisors (10809344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8647072 is a wasteful number, since it uses less digits than its factorization.

8647072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38620 (or 38612 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 8647072 is about 2940.5904169061. The cubic root of 8647072 is about 205.2530842121.

The spelling of 8647072 in words is "eight million, six hundred forty-seven thousand, seventy-two".