74966440057 has 2 divisors, whose sum is σ = 74966440058. Its totient is φ = 74966440056.

The previous prime is 74966439971. The next prime is 74966440099. The reversal of 74966440057 is 75004466947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73175119081 + 1791320976 = 270509^2 + 42324^2 .

It is a cyclic number.

It is not a de Polignac number, because 74966440057 - 2¹¹ = 74966438009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74966439986 and 74966440013.

It is not a weakly prime, because it can be changed into another prime (74966444057) 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, 37483220028 + 37483220029.

It is an arithmetic number, because the mean of its divisors is an integer number (37483220029).

Almost surely, 2^74966440057 is an apocalyptic number.

It is an amenable number.

74966440057 is a deficient number, since it is larger than the sum of its proper divisors (1).

74966440057 is an equidigital number, since it uses as much as digits as its factorization.

74966440057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 74966440057 in words is "seventy-four billion, nine hundred sixty-six million, four hundred forty thousand, fifty-seven".