273390 has 32 divisors (see below), whose sum is σ = 707616. Its totient is φ = 67200.

The previous prime is 273367. The next prime is 273433. The reversal of 273390 is 93372.

It is a Curzon number.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 273390.

It is a congruent number.

It is an unprimeable number.

273390 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40 + ... + 740.

It is an arithmetic number, because the mean of its divisors is an integer number (22113).

2²⁷³³⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353808).

273390 is an abundant number, since it is smaller than the sum of its proper divisors (434226).

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

273390 is a wasteful number, since it uses less digits than its factorization.

273390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 273390 is about 522.8670959240. The cubic root of 273390 is about 64.9024176788.

The spelling of 273390 in words is "two hundred seventy-three thousand, three hundred ninety".