68434336 has 48 divisors (see below), whose sum is σ = 139315680. Its totient is φ = 33073920.

The previous prime is 68434321. The next prime is 68434337. The reversal of 68434336 is 63343486.

It is a junction number, because it is equal to n+sod(n) for n = 68434295 and 68434304.

It is not an unprimeable number, because it can be changed into a prime (68434337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126226 + ... + 126766.

It is an arithmetic number, because the mean of its divisors is an integer number (2902410).

Almost surely, 2^68434336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68434336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69657840).

68434336 is an abundant number, since it is smaller than the sum of its proper divisors (70881344).

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

68434336 is a wasteful number, since it uses less digits than its factorization.

68434336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 669 counting only the distinct ones).

The product of its digits is 124416, while the sum is 37.

The square root of 68434336 is about 8272.5048201860. The cubic root of 68434336 is about 409.0326908788.

The spelling of 68434336 in words is "sixty-eight million, four hundred thirty-four thousand, three hundred thirty-six".