68190 has 16 divisors (see below), whose sum is σ = 163728. Its totient is φ = 18176.

The previous prime is 68171. The next prime is 68207. The reversal of 68190 is 9186.

68190 = T₃₁ + T₃₂ + ... + T₇₅.

It is a super-2 number, since 2×68190² = 9299752200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 68190.

It is a congruent number.

It is an unprimeable number.

68190 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 7 ways as a sum of consecutive naturals, for example, 1107 + ... + 1166.

It is an arithmetic number, because the mean of its divisors is an integer number (10233).

2⁶⁸¹⁹⁰ is an apocalyptic number.

68190 is an abundant number, since it is smaller than the sum of its proper divisors (95538).

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 (81864).

68190 is a wasteful number, since it uses less digits than its factorization.

68190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 68190 is about 261.1321504526. The cubic root of 68190 is about 40.8545310827.

The spelling of 68190 in words is "sixty-eight thousand, one hundred ninety".