67290 has 16 divisors (see below), whose sum is σ = 161568. Its totient is φ = 17936.

The previous prime is 67289. The next prime is 67307. The reversal of 67290 is 9276.

67290 = 114² + 115² + ... + 118².

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 67290.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092 + ... + 1151.

It is an arithmetic number, because the mean of its divisors is an integer number (10098).

2⁶⁷²⁹⁰ is an apocalyptic number.

67290 is an abundant number, since it is smaller than the sum of its proper divisors (94278).

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 (80784).

67290 is a wasteful number, since it uses less digits than its factorization.

67290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 67290 is about 259.4031611218. The cubic root of 67290 is about 40.6739961109.

The spelling of 67290 in words is "sixty-seven thousand, two hundred ninety".