210147073 has 4 divisors (see below), whose sum is σ = 210427648. Its totient is φ = 209866500.

The previous prime is 210147061. The next prime is 210147083. The reversal of 210147073 is 370741012.

It is a happy number.

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 210147073 - 2¹³ = 210138881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210147023) by changing a digit.

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, 139161 + ... + 140662.

It is an arithmetic number, because the mean of its divisors is an integer number (52606912).

Almost surely, 2^210147073 is an apocalyptic number.

It is an amenable number.

210147073 is a deficient number, since it is larger than the sum of its proper divisors (280575).

210147073 is an equidigital number, since it uses as much as digits as its factorization.

210147073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280574.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 210147073 is about 14496.4503586223. The cubic root of 210147073 is about 594.5309232817.

Adding to 210147073 its reverse (370741012), we get a palindrome (580888085).

The spelling of 210147073 in words is "two hundred ten million, one hundred forty-seven thousand, seventy-three".