99974419 has 2 divisors, whose sum is σ = 99974420. Its totient is φ = 99974418.

The previous prime is 99974393. The next prime is 99974423. The reversal of 99974419 is 91447999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99974419 - 2⁷ = 99974291 is a prime.

It is a super-2 number, since 2×99974419² = 19989768908775122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99974429) 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, 49987209 + 49987210.

It is an arithmetic number, because the mean of its divisors is an integer number (49987210).

Almost surely, 2^99974419 is an apocalyptic number.

99974419 is a deficient number, since it is larger than the sum of its proper divisors (1).

99974419 is an equidigital number, since it uses as much as digits as its factorization.

99974419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 52.

The square root of 99974419 is about 9998.7208681911. The cubic root of 99974419 is about 464.1193011579.

The spelling of 99974419 in words is "ninety-nine million, nine hundred seventy-four thousand, four hundred nineteen".