84002670 has 128 divisors (see below), whose sum is σ = 238049280. Its totient is φ = 21298464.

The previous prime is 84002663. The next prime is 84002689. The reversal of 84002670 is 7620048.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 502927 + ... + 503093.

It is an arithmetic number, because the mean of its divisors is an integer number (1859760).

Almost surely, 2^84002670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84002670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119024640).

84002670 is an abundant number, since it is smaller than the sum of its proper divisors (154046610).

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

84002670 is a wasteful number, since it uses less digits than its factorization.

84002670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 200 counting only the distinct ones).

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

The square root of 84002670 is about 9165.2970491960. The cubic root of 84002670 is about 437.9565541444.

The spelling of 84002670 in words is "eighty-four million, two thousand, six hundred seventy".