207728033 has 2 divisors, whose sum is σ = 207728034. Its totient is φ = 207728032.

The previous prime is 207727999. The next prime is 207728057. The reversal of 207728033 is 330827702.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201412864 + 6315169 = 14192^2 + 2513^2 .

It is a cyclic number.

It is not a de Polignac number, because 207728033 - 2¹² = 207723937 is a prime.

It is not a weakly prime, because it can be changed into another prime (207728063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103864016 + 103864017.

It is an arithmetic number, because the mean of its divisors is an integer number (103864017).

Almost surely, 2^207728033 is an apocalyptic number.

It is an amenable number.

207728033 is a deficient number, since it is larger than the sum of its proper divisors (1).

207728033 is an equidigital number, since it uses as much as digits as its factorization.

207728033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 207728033 is about 14412.7732584676. The cubic root of 207728033 is about 592.2408634943.

The spelling of 207728033 in words is "two hundred seven million, seven hundred twenty-eight thousand, thirty-three".