74989298773 has 2 divisors, whose sum is σ = 74989298774. Its totient is φ = 74989298772.

The previous prime is 74989298759. The next prime is 74989298801. The reversal of 74989298773 is 37789298947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73104262884 + 1885035889 = 270378^2 + 43417^2 .

It is a cyclic number.

It is not a de Polignac number, because 74989298773 - 2⁹ = 74989298261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74989298696 and 74989298705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74989298273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37494649386 + 37494649387.

It is an arithmetic number, because the mean of its divisors is an integer number (37494649387).

Almost surely, 2^74989298773 is an apocalyptic number.

It is an amenable number.

74989298773 is a deficient number, since it is larger than the sum of its proper divisors (1).

74989298773 is an equidigital number, since it uses as much as digits as its factorization.

74989298773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384072192, while the sum is 73.

The spelling of 74989298773 in words is "seventy-four billion, nine hundred eighty-nine million, two hundred ninety-eight thousand, seven hundred seventy-three".