84573873 has 12 divisors (see below), whose sum is σ = 122784948. Its totient is φ = 56095200.

The previous prime is 84573871. The next prime is 84573887. The reversal of 84573873 is 37837548.

84573873 is a `hidden beast` number, since 8 + 4 + 573 + 8 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 65415744 + 19158129 = 8088^2 + 4377^2 .

It is not a de Polignac number, because 84573873 - 2¹ = 84573871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84573871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22078 + ... + 25623.

It is an arithmetic number, because the mean of its divisors is an integer number (10232079).

Almost surely, 2^84573873 is an apocalyptic number.

It is an amenable number.

84573873 is a deficient number, since it is larger than the sum of its proper divisors (38211075).

84573873 is a wasteful number, since it uses less digits than its factorization.

84573873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47904 (or 47901 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 84573873 is about 9196.4054390833. The cubic root of 84573873 is about 438.9469877854.

The spelling of 84573873 in words is "eighty-four million, five hundred seventy-three thousand, eight hundred seventy-three".