84130704 has 160 divisors (see below), whose sum is σ = 282839040. Its totient is φ = 23442048.

The previous prime is 84130703. The next prime is 84130733. The reversal of 84130704 is 40703148.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (84130703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129709 + ... + 130355.

It is an arithmetic number, because the mean of its divisors is an integer number (1767744).

Almost surely, 2^84130704 is an apocalyptic number.

84130704 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84130704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141419520).

84130704 is an abundant number, since it is smaller than the sum of its proper divisors (198708336).

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

84130704 is a wasteful number, since it uses less digits than its factorization.

84130704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 84130704 is about 9172.2791060892. The cubic root of 84130704 is about 438.1789473342.

The spelling of 84130704 in words is "eighty-four million, one hundred thirty thousand, seven hundred four".