424073999 has 2 divisors, whose sum is σ = 424074000. Its totient is φ = 424073998.

The previous prime is 424073957. The next prime is 424074011. The reversal of 424073999 is 999370424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424073999 - 2⁸ = 424073743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424073099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212036999 + 212037000.

It is an arithmetic number, because the mean of its divisors is an integer number (212037000).

Almost surely, 2^424073999 is an apocalyptic number.

424073999 is a deficient number, since it is larger than the sum of its proper divisors (1).

424073999 is an equidigital number, since it uses as much as digits as its factorization.

424073999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 424073999 is about 20593.0570581446. The cubic root of 424073999 is about 751.3008529229.

The spelling of 424073999 in words is "four hundred twenty-four million, seventy-three thousand, nine hundred ninety-nine".