8740665 has 24 divisors (see below), whose sum is σ = 15949440. Its totient is φ = 4415904.

The previous prime is 8740657. The next prime is 8740679. The reversal of 8740665 is 5660478.

It is a happy number.

It is not a de Polignac number, because 8740665 - 2³ = 8740657 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4257 + ... + 5966.

It is an arithmetic number, because the mean of its divisors is an integer number (664560).

Almost surely, 2^8740665 is an apocalyptic number.

It is an amenable number.

8740665 is a deficient number, since it is larger than the sum of its proper divisors (7208775).

8740665 is a wasteful number, since it uses less digits than its factorization.

8740665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10253 (or 10250 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 8740665 is about 2956.4615674823. The cubic root of 8740665 is about 205.9909585374.

The spelling of 8740665 in words is "eight million, seven hundred forty thousand, six hundred sixty-five".