74820793 has 2 divisors, whose sum is σ = 74820794. Its totient is φ = 74820792.

The previous prime is 74820751. The next prime is 74820799. The reversal of 74820793 is 39702847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48483369 + 26337424 = 6963^2 + 5132^2 .

It is a cyclic number.

It is not a de Polignac number, because 74820793 - 2¹³ = 74812601 is a prime.

It is not a weakly prime, because it can be changed into another prime (74820799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37410396 + 37410397.

It is an arithmetic number, because the mean of its divisors is an integer number (37410397).

Almost surely, 2^74820793 is an apocalyptic number.

It is an amenable number.

74820793 is a deficient number, since it is larger than the sum of its proper divisors (1).

74820793 is an equidigital number, since it uses as much as digits as its factorization.

74820793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 74820793 is about 8649.9013289170. The cubic root of 74820793 is about 421.3801780193.

The spelling of 74820793 in words is "seventy-four million, eight hundred twenty thousand, seven hundred ninety-three".