74475745823 has 2 divisors, whose sum is σ = 74475745824. Its totient is φ = 74475745822.

The previous prime is 74475745793. The next prime is 74475745873. The reversal of 74475745823 is 32854757447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74475745823 - 2⁸ = 74475745567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74475745873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37237872911 + 37237872912.

It is an arithmetic number, because the mean of its divisors is an integer number (37237872912).

Almost surely, 2^74475745823 is an apocalyptic number.

74475745823 is a deficient number, since it is larger than the sum of its proper divisors (1).

74475745823 is an equidigital number, since it uses as much as digits as its factorization.

74475745823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26342400, while the sum is 56.

The spelling of 74475745823 in words is "seventy-four billion, four hundred seventy-five million, seven hundred forty-five thousand, eight hundred twenty-three".