84708120 has 128 divisors (see below), whose sum is σ = 299888640. Its totient is φ = 18731520.

The previous prime is 84708119. The next prime is 84708179. The reversal of 84708120 is 2180748.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24414 + ... + 27666.

It is an arithmetic number, because the mean of its divisors is an integer number (2342880).

Almost surely, 2^84708120 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 84708120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149944320).

84708120 is an abundant number, since it is smaller than the sum of its proper divisors (215180520).

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

84708120 is a wasteful number, since it uses less digits than its factorization.

84708120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305 (or 3301 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 84708120 is about 9203.7014293164. The cubic root of 84708120 is about 439.1791168600.

Adding to 84708120 its reverse (2180748), we get a palindrome (86888868).

The spelling of 84708120 in words is "eighty-four million, seven hundred eight thousand, one hundred twenty".