743724419 has 2 divisors, whose sum is σ = 743724420. Its totient is φ = 743724418.

The previous prime is 743724409. The next prime is 743724437. The reversal of 743724419 is 914427347.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 743724419 - 2⁴ = 743724403 is a prime.

It is a super-2 number, since 2×743724419² = 1106252022833775122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (743724409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371862209 + 371862210.

It is an arithmetic number, because the mean of its divisors is an integer number (371862210).

Almost surely, 2^743724419 is an apocalyptic number.

743724419 is a deficient number, since it is larger than the sum of its proper divisors (1).

743724419 is an equidigital number, since it uses as much as digits as its factorization.

743724419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 41.

The square root of 743724419 is about 27271.3112812714. The cubic root of 743724419 is about 906.0190870486.

The spelling of 743724419 in words is "seven hundred forty-three million, seven hundred twenty-four thousand, four hundred nineteen".