74820799 has 2 divisors, whose sum is σ = 74820800. Its totient is φ = 74820798.

The previous prime is 74820793. The next prime is 74820827. The reversal of 74820799 is 99702847.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74820799 - 2⁷ = 74820671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74820793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37410399 + 37410400.

It is an arithmetic number, because the mean of its divisors is an integer number (37410400).

Almost surely, 2^74820799 is an apocalyptic number.

74820799 is a deficient number, since it is larger than the sum of its proper divisors (1).

74820799 is an equidigital number, since it uses as much as digits as its factorization.

74820799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 74820799 is about 8649.9016757418. The cubic root of 74820799 is about 421.3801892830.

The spelling of 74820799 in words is "seventy-four million, eight hundred twenty thousand, seven hundred ninety-nine".