75745673 has 2 divisors, whose sum is σ = 75745674. Its totient is φ = 75745672.

The previous prime is 75745667. The next prime is 75745729. The reversal of 75745673 is 37654757.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67289209 + 8456464 = 8203^2 + 2908^2 .

It is a cyclic number.

It is not a de Polignac number, because 75745673 - 2¹⁰ = 75744649 is a prime.

It is not a weakly prime, because it can be changed into another prime (75745633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37872836 + 37872837.

It is an arithmetic number, because the mean of its divisors is an integer number (37872837).

Almost surely, 2^75745673 is an apocalyptic number.

It is an amenable number.

75745673 is a deficient number, since it is larger than the sum of its proper divisors (1).

75745673 is an equidigital number, since it uses as much as digits as its factorization.

75745673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 617400, while the sum is 44.

The square root of 75745673 is about 8703.1990095596. The cubic root of 75745673 is about 423.1093372758.

The spelling of 75745673 in words is "seventy-five million, seven hundred forty-five thousand, six hundred seventy-three".