73210 has 8 divisors (see below), whose sum is σ = 131796. Its totient is φ = 29280.

The previous prime is 73189. The next prime is 73237. The reversal of 73210 is 1237.

73210 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 2 ways, for example, as 59049 + 14161 = 243^2 + 119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 10.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 3651 + ... + 3670.

2⁷³²¹⁰ is an apocalyptic number.

73210 is a deficient number, since it is larger than the sum of its proper divisors (58586).

73210 is a wasteful number, since it uses less digits than its factorization.

73210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7328.

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

The square root of 73210 is about 270.5734650700. The cubic root of 73210 is about 41.8334294515.

Adding to 73210 its reverse (1237), we get a palindrome (74447).

The spelling of 73210 in words is "seventy-three thousand, two hundred ten", and thus it is an iban number.