74244228473 has 2 divisors, whose sum is σ = 74244228474. Its totient is φ = 74244228472.

The previous prime is 74244228467. The next prime is 74244228529. The reversal of 74244228473 is 37482244247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59639989369 + 14604239104 = 244213^2 + 120848^2 .

It is a cyclic number.

It is not a de Polignac number, because 74244228473 - 2¹² = 74244224377 is a prime.

It is not a weakly prime, because it can be changed into another prime (74244228433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37122114236 + 37122114237.

It is an arithmetic number, because the mean of its divisors is an integer number (37122114237).

Almost surely, 2^74244228473 is an apocalyptic number.

It is an amenable number.

74244228473 is a deficient number, since it is larger than the sum of its proper divisors (1).

74244228473 is an equidigital number, since it uses as much as digits as its factorization.

74244228473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2408448, while the sum is 47.

The spelling of 74244228473 in words is "seventy-four billion, two hundred forty-four million, two hundred twenty-eight thousand, four hundred seventy-three".