774423073 has 2 divisors, whose sum is σ = 774423074. Its totient is φ = 774423072.

The previous prime is 774423043. The next prime is 774423079. The reversal of 774423073 is 370324477.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 488542609 + 285880464 = 22103^2 + 16908^2 .

It is a cyclic number.

It is not a de Polignac number, because 774423073 - 2¹³ = 774414881 is a prime.

It is a super-3 number, since 3×774423073³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (774423079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387211536 + 387211537.

It is an arithmetic number, because the mean of its divisors is an integer number (387211537).

Almost surely, 2^774423073 is an apocalyptic number.

It is an amenable number.

774423073 is a deficient number, since it is larger than the sum of its proper divisors (1).

774423073 is an equidigital number, since it uses as much as digits as its factorization.

774423073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 37.

The square root of 774423073 is about 27828.4579702146. The cubic root of 774423073 is about 918.3172900083.

The spelling of 774423073 in words is "seven hundred seventy-four million, four hundred twenty-three thousand, seventy-three".