68321424 has 40 divisors (see below), whose sum is σ = 176809120. Its totient is φ = 22733568.

The previous prime is 68321423. The next prime is 68321437. The reversal of 68321424 is 42412386.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 68321391 and 68321400.

It is not an unprimeable number, because it can be changed into a prime (68321423) 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, 40404 + ... + 42060.

It is an arithmetic number, because the mean of its divisors is an integer number (4420228).

Almost surely, 2^68321424 is an apocalyptic number.

It is an amenable number.

68321424 is an abundant number, since it is smaller than the sum of its proper divisors (108487696).

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

68321424 is a wasteful number, since it uses less digits than its factorization.

68321424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527 (or 2521 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 68321424 is about 8265.6774676974. The cubic root of 68321424 is about 408.8076083362.

It can be divided in two parts, 6832 and 1424, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 68321424 in words is "sixty-eight million, three hundred twenty-one thousand, four hundred twenty-four".