8517072 has 40 divisors (see below), whose sum is σ = 22141440. Its totient is φ = 2821120.

The previous prime is 8517071. The next prime is 8517077. The reversal of 8517072 is 2707158.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8517071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8704 + ... + 9632.

It is an arithmetic number, because the mean of its divisors is an integer number (553536).

Almost surely, 2^8517072 is an apocalyptic number.

It is an amenable number.

8517072 is an abundant number, since it is smaller than the sum of its proper divisors (13624368).

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

8517072 is a wasteful number, since it uses less digits than its factorization.

8517072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131 (or 1125 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 8517072 is about 2918.4023026307. The cubic root of 8517072 is about 204.2192951281.

The spelling of 8517072 in words is "eight million, five hundred seventeen thousand, seventy-two".