84730 has 16 divisors (see below), whose sum is σ = 157320. Its totient is φ = 32832.

The previous prime is 84719. The next prime is 84731. The reversal of 84730 is 3748.

It can be written as a sum of positive squares in 4 ways, for example, as 84681 + 49 = 291^2 + 7^2 .

It is not an unprimeable number, because it can be changed into a prime (84731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256 + ... + 484.

2⁸⁴⁷³⁰ is an apocalyptic number.

84730 is a deficient number, since it is larger than the sum of its proper divisors (72590).

84730 is a wasteful number, since it uses less digits than its factorization.

84730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 84730 is about 291.0841802641. The cubic root of 84730 is about 43.9216926741.

The spelling of 84730 in words is "eighty-four thousand, seven hundred thirty".