74559284357 has 2 divisors, whose sum is σ = 74559284358. Its totient is φ = 74559284356.

The previous prime is 74559284339. The next prime is 74559284381. The reversal of 74559284357 is 75348295547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57446981761 + 17112302596 = 239681^2 + 130814^2 .

It is a cyclic number.

It is not a de Polignac number, because 74559284357 - 2⁸ = 74559284101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74559284296 and 74559284305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74559284057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37279642178 + 37279642179.

It is an arithmetic number, because the mean of its divisors is an integer number (37279642179).

Almost surely, 2^74559284357 is an apocalyptic number.

It is an amenable number.

74559284357 is a deficient number, since it is larger than the sum of its proper divisors (1).

74559284357 is an equidigital number, since it uses as much as digits as its factorization.

74559284357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336000, while the sum is 59.

The spelling of 74559284357 in words is "seventy-four billion, five hundred fifty-nine million, two hundred eighty-four thousand, three hundred fifty-seven".