84523712 has 112 divisors (see below), whose sum is σ = 215749632. Its totient is φ = 31933440.

The previous prime is 84523709. The next prime is 84523721. The reversal of 84523712 is 21732548.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 133637 + ... + 134267.

It is an arithmetic number, because the mean of its divisors is an integer number (1926336).

Almost surely, 2^84523712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84523712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107874816).

84523712 is an abundant number, since it is smaller than the sum of its proper divisors (131225920).

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

84523712 is a wasteful number, since it uses less digits than its factorization.

84523712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 676 counting only the distinct ones).

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

The square root of 84523712 is about 9193.6778277249. The cubic root of 84523712 is about 438.8601903956.

The spelling of 84523712 in words is "eighty-four million, five hundred twenty-three thousand, seven hundred twelve".