74421199 has 2 divisors, whose sum is σ = 74421200. Its totient is φ = 74421198.

The previous prime is 74421181. The next prime is 74421241. The reversal of 74421199 is 99112447.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74421199 - 2¹¹ = 74419151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74421299) 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, 37210599 + 37210600.

It is an arithmetic number, because the mean of its divisors is an integer number (37210600).

Almost surely, 2^74421199 is an apocalyptic number.

74421199 is a deficient number, since it is larger than the sum of its proper divisors (1).

74421199 is an equidigital number, since it uses as much as digits as its factorization.

74421199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 37.

The square root of 74421199 is about 8626.7722237231. The cubic root of 74421199 is about 420.6286862077.

The spelling of 74421199 in words is "seventy-four million, four hundred twenty-one thousand, one hundred ninety-nine".