70284 has 12 divisors (see below), whose sum is σ = 164024. Its totient is φ = 23424.

The previous prime is 70271. The next prime is 70289. The reversal of 70284 is 48207.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 70284.

It is not an unprimeable number, because it can be changed into a prime (70289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2917 + ... + 2940.

2⁷⁰²⁸⁴ is an apocalyptic number.

It is an amenable number.

70284 is an abundant number, since it is smaller than the sum of its proper divisors (93740).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82012).

70284 is a wasteful number, since it uses less digits than its factorization.

70284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5864 (or 5862 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 70284 is about 265.1112973828. Note that the first 3 decimals coincide. The cubic root of 70284 is about 41.2685132693.

The spelling of 70284 in words is "seventy thousand, two hundred eighty-four".