8420675 has 6 divisors (see below), whose sum is σ = 10441668. Its totient is φ = 6736520.

The previous prime is 8420669. The next prime is 8420677. The reversal of 8420675 is 5760248.

It is not a de Polignac number, because 8420675 - 2¹⁰ = 8419651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8420677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168389 + ... + 168438.

It is an arithmetic number, because the mean of its divisors is an integer number (1740278).

Almost surely, 2^8420675 is an apocalyptic number.

8420675 is a deficient number, since it is larger than the sum of its proper divisors (2020993).

8420675 is a wasteful number, since it uses less digits than its factorization.

8420675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336837 (or 336832 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 8420675 is about 2901.8399335594. The cubic root of 8420675 is about 203.4459124548.

The spelling of 8420675 in words is "eight million, four hundred twenty thousand, six hundred seventy-five".