8740605 has 16 divisors (see below), whose sum is σ = 14436864. Its totient is φ = 4511040.

The previous prime is 8740603. The next prime is 8740607. The reversal of 8740605 is 5060478.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8740603) and next prime (8740607).

It is not a de Polignac number, because 8740605 - 2¹ = 8740603 is a prime.

8740605 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8740603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8934 + ... + 9863.

It is an arithmetic number, because the mean of its divisors is an integer number (902304).

Almost surely, 2^8740605 is an apocalyptic number.

It is an amenable number.

8740605 is a deficient number, since it is larger than the sum of its proper divisors (5696259).

8740605 is a wasteful number, since it uses less digits than its factorization.

8740605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18836.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 8740605 is about 2956.4514201996. The cubic root of 8740605 is about 205.9904871970.

The spelling of 8740605 in words is "eight million, seven hundred forty thousand, six hundred five".