210750073 has 2 divisors, whose sum is σ = 210750074. Its totient is φ = 210750072.

The previous prime is 210750061. The next prime is 210750079. The reversal of 210750073 is 370057012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179479609 + 31270464 = 13397^2 + 5592^2 .

It is a cyclic number.

It is not a de Polignac number, because 210750073 - 2²¹ = 208652921 is a prime.

It is not a weakly prime, because it can be changed into another prime (210750079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105375036 + 105375037.

It is an arithmetic number, because the mean of its divisors is an integer number (105375037).

Almost surely, 2^210750073 is an apocalyptic number.

It is an amenable number.

210750073 is a deficient number, since it is larger than the sum of its proper divisors (1).

210750073 is an equidigital number, since it uses as much as digits as its factorization.

210750073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 210750073 is about 14517.2336552113. The cubic root of 210750073 is about 595.0990330180.

The spelling of 210750073 in words is "two hundred ten million, seven hundred fifty thousand, seventy-three".