68530 has 32 divisors (see below), whose sum is σ = 155520. Its totient is φ = 21120.

The previous prime is 68521. The next prime is 68531. The reversal of 68530 is 3586.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (68531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726 + ... + 814.

It is an arithmetic number, because the mean of its divisors is an integer number (4860).

2⁶⁸⁵³⁰ is an apocalyptic number.

68530 is an abundant number, since it is smaller than the sum of its proper divisors (86990).

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 (77760).

68530 is a wasteful number, since it uses less digits than its factorization.

68530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 68530 is about 261.7823523464. The cubic root of 68530 is about 40.9223197023.

The spelling of 68530 in words is "sixty-eight thousand, five hundred thirty".