8540670 has 16 divisors (see below), whose sum is σ = 20497680. Its totient is φ = 2277504.

The previous prime is 8540639. The next prime is 8540683. The reversal of 8540670 is 760458.

It is a happy number.

8540670 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 Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 284689 = 8540670 / (8 + 5 + 4 + 0 + 6 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142315 + ... + 142374.

It is an arithmetic number, because the mean of its divisors is an integer number (1281105).

Almost surely, 2^8540670 is an apocalyptic number.

8540670 is an abundant number, since it is smaller than the sum of its proper divisors (11957010).

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

8540670 is a wasteful number, since it uses less digits than its factorization.

8540670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284699.

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

The square root of 8540670 is about 2922.4424716322. The cubic root of 8540670 is about 204.4077293299.

It can be divided in two parts, 85 and 40670, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 8540670 in words is "eight million, five hundred forty thousand, six hundred seventy".