8617072 has 10 divisors (see below), whose sum is σ = 16695608. Its totient is φ = 4308528.

The previous prime is 8617001. The next prime is 8617073. The reversal of 8617072 is 2707168.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8617073) 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 as a sum of consecutive naturals, namely, 269268 + ... + 269299.

Almost surely, 2^8617072 is an apocalyptic number.

It is an amenable number.

8617072 is a deficient number, since it is larger than the sum of its proper divisors (8078536).

8617072 is a wasteful number, since it uses less digits than its factorization.

8617072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538575 (or 538569 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 8617072 is about 2935.4849684507. The cubic root of 8617072 is about 205.0154420253.

The spelling of 8617072 in words is "eight million, six hundred seventeen thousand, seventy-two".