8745870 has 32 divisors (see below), whose sum is σ = 23989248. Its totient is φ = 1999008.

The previous prime is 8745857. The next prime is 8745881. The reversal of 8745870 is 785478.

8745870 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20614 + ... + 21033.

It is an arithmetic number, because the mean of its divisors is an integer number (749664).

Almost surely, 2^8745870 is an apocalyptic number.

8745870 is an abundant number, since it is smaller than the sum of its proper divisors (15243378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8745870 is a wasteful number, since it uses less digits than its factorization.

8745870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41664.

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 8745870 is about 2957.3417117405. The cubic root of 8745870 is about 206.0318391105.

The spelling of 8745870 in words is "eight million, seven hundred forty-five thousand, eight hundred seventy".