75233761 has 2 divisors, whose sum is σ = 75233762. Its totient is φ = 75233760.

The previous prime is 75233737. The next prime is 75233777. The reversal of 75233761 is 16733257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74494161 + 739600 = 8631^2 + 860^2 .

It is an emirp because it is prime and its reverse (16733257) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75233761 - 2⁷ = 75233633 is a prime.

It is not a weakly prime, because it can be changed into another prime (75233261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37616880 + 37616881.

It is an arithmetic number, because the mean of its divisors is an integer number (37616881).

Almost surely, 2^75233761 is an apocalyptic number.

It is an amenable number.

75233761 is a deficient number, since it is larger than the sum of its proper divisors (1).

75233761 is an equidigital number, since it uses as much as digits as its factorization.

75233761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 34.

The square root of 75233761 is about 8673.7397355466. The cubic root of 75233761 is about 422.1540152698.

It can be divided in two parts, 7523 and 3761, that multiplied together give a triangular number (28294003 = T₇₅₂₂).

The spelling of 75233761 in words is "seventy-five million, two hundred thirty-three thousand, seven hundred sixty-one".