210073 has 4 divisors (see below), whose sum is σ = 212688. Its totient is φ = 207460.

The previous prime is 210071. The next prime is 210097. The reversal of 210073 is 370012.

210073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210073 - 2¹ = 210071 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (210071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183 + ... + 1348.

It is an arithmetic number, because the mean of its divisors is an integer number (53172).

2²¹⁰⁰⁷³ is an apocalyptic number.

It is an amenable number.

210073 is a deficient number, since it is larger than the sum of its proper divisors (2615).

210073 is an equidigital number, since it uses as much as digits as its factorization.

210073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 210073 is about 458.3372121048. The cubic root of 210073 is about 59.4461061313.

Adding to 210073 its reverse (370012), we get a palindrome (580085).

The spelling of 210073 in words is "two hundred ten thousand, seventy-three", and thus it is an iban number.