68424438 has 32 divisors (see below), whose sum is σ = 141330816. Its totient is φ = 22071168.

The previous prime is 68424403. The next prime is 68424443. The reversal of 68424438 is 83442486.

It is a super-3 number, since 3×68424438³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68424396 and 68424405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27981 + ... + 30327.

It is an arithmetic number, because the mean of its divisors is an integer number (4416588).

Almost surely, 2^68424438 is an apocalyptic number.

68424438 is an abundant number, since it is smaller than the sum of its proper divisors (72906378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68424438 is a wasteful number, since it uses less digits than its factorization.

68424438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508.

The product of its digits is 147456, while the sum is 39.

The square root of 68424438 is about 8271.9065516965. The cubic root of 68424438 is about 409.0129697806.

The spelling of 68424438 in words is "sixty-eight million, four hundred twenty-four thousand, four hundred thirty-eight".