8700645 has 16 divisors (see below), whose sum is σ = 14061312. Its totient is φ = 4593600.

The previous prime is 8700599. The next prime is 8700649. The reversal of 8700645 is 5460078.

It is a happy number.

It is not a de Polignac number, because 8700645 - 2⁶ = 8700581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8700649) 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, 1357 + ... + 4386.

It is an arithmetic number, because the mean of its divisors is an integer number (878832).

Almost surely, 2^8700645 is an apocalyptic number.

It is an amenable number.

8700645 is a deficient number, since it is larger than the sum of its proper divisors (5360667).

8700645 is a wasteful number, since it uses less digits than its factorization.

8700645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5852.

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

The square root of 8700645 is about 2949.6855764640. The cubic root of 8700645 is about 205.6760941694.

The spelling of 8700645 in words is "eight million, seven hundred thousand, six hundred forty-five".