201600073 has 4 divisors (see below), whose sum is σ = 202149760. Its totient is φ = 201050388.

The previous prime is 201600067. The next prime is 201600079. The reversal of 201600073 is 370006102.

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 an interprime number because it is at equal distance from previous prime (201600067) and next prime (201600079).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201600073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201600073.

It is not an unprimeable number, because it can be changed into a prime (201600079) 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, 274293 + ... + 275026.

It is an arithmetic number, because the mean of its divisors is an integer number (50537440).

Almost surely, 2^201600073 is an apocalyptic number.

It is an amenable number.

201600073 is a deficient number, since it is larger than the sum of its proper divisors (549687).

201600073 is an equidigital number, since it uses as much as digits as its factorization.

201600073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549686.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 201600073 is about 14198.5940501164. The cubic root of 201600073 is about 586.3589543254.

Adding to 201600073 its reverse (370006102), we get a palindrome (571606175).

The spelling of 201600073 in words is "two hundred one million, six hundred thousand, seventy-three".