75985573 has 2 divisors, whose sum is σ = 75985574. Its totient is φ = 75985572.

The previous prime is 75985561. The next prime is 75985577. The reversal of 75985573 is 37558957.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69189124 + 6796449 = 8318^2 + 2607^2 .

It is an emirp because it is prime and its reverse (37558957) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75985573 - 2²⁵ = 42431141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75985577) 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, 37992786 + 37992787.

It is an arithmetic number, because the mean of its divisors is an integer number (37992787).

Almost surely, 2^75985573 is an apocalyptic number.

It is an amenable number.

75985573 is a deficient number, since it is larger than the sum of its proper divisors (1).

75985573 is an equidigital number, since it uses as much as digits as its factorization.

75985573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1323000, while the sum is 49.

The square root of 75985573 is about 8716.9704026112. The cubic root of 75985573 is about 423.5555539983. Note that the first 5 decimals are identical.

The spelling of 75985573 in words is "seventy-five million, nine hundred eighty-five thousand, five hundred seventy-three".