84750 has 32 divisors (see below), whose sum is σ = 213408. Its totient is φ = 22400.

The previous prime is 84737. The next prime is 84751. The reversal of 84750 is 5748.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84750.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84751) by changing a digit.

84750 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 694 + ... + 806.

It is an arithmetic number, because the mean of its divisors is an integer number (6669).

2⁸⁴⁷⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106704).

84750 is an abundant number, since it is smaller than the sum of its proper divisors (128658).

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

84750 is a wasteful number, since it uses less digits than its factorization.

84750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 84750 is about 291.1185325602. The cubic root of 84750 is about 43.9251482182.

The spelling of 84750 in words is "eighty-four thousand, seven hundred fifty".