8730605 has 16 divisors (see below), whose sum is σ = 11947824. Its totient is φ = 6067200.

The previous prime is 8730583. The next prime is 8730607. The reversal of 8730605 is 5060378.

8730605 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4489 + 8726116 = 67^2 + 2954^2 .

It is not a de Polignac number, because 8730605 - 2⁸ = 8730349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8730607) 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, 2846 + ... + 5055.

It is an arithmetic number, because the mean of its divisors is an integer number (746739).

Almost surely, 2^8730605 is an apocalyptic number.

8730605 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8730605 is a deficient number, since it is larger than the sum of its proper divisors (3217219).

8730605 is a wasteful number, since it uses less digits than its factorization.

8730605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7936.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 8730605 is about 2954.7597195034. The cubic root of 8730605 is about 205.9119003051.

The spelling of 8730605 in words is "eight million, seven hundred thirty thousand, six hundred five".