8573420 has 12 divisors (see below), whose sum is σ = 18004224. Its totient is φ = 3429360.

The previous prime is 8573419. The next prime is 8573429. The reversal of 8573420 is 243758.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8573429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214316 + ... + 214355.

It is an arithmetic number, because the mean of its divisors is an integer number (1500352).

Almost surely, 2^8573420 is an apocalyptic number.

It is an amenable number.

8573420 is an abundant number, since it is smaller than the sum of its proper divisors (9430804).

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

8573420 is a wasteful number, since it uses less digits than its factorization.

8573420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428680 (or 428678 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 8573420 is about 2928.0403002691. The cubic root of 8573420 is about 204.6686696156.

The spelling of 8573420 in words is "eight million, five hundred seventy-three thousand, four hundred twenty".