84068280 has 192 divisors, whose sum is σ = 293133600. Its totient is φ = 21695040.

The previous prime is 84068279. The next prime is 84068287. The reversal of 84068280 is 8286048.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84068287) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2711865 + ... + 2711895.

Almost surely, 2^84068280 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 84068280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146566800).

84068280 is an abundant number, since it is smaller than the sum of its proper divisors (209065320).

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

84068280 is an equidigital number, since it uses as much as digits as its factorization.

84068280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 84068280 is about 9168.8756126365. The cubic root of 84068280 is about 438.0705459648.

It can be divided in two parts, 84068 and 280, that added together give a palindrome (84348).

The spelling of 84068280 in words is "eighty-four million, sixty-eight thousand, two hundred eighty".