68358432 has 24 divisors (see below), whose sum is σ = 179441136. Its totient is φ = 22786112.

The previous prime is 68358431. The next prime is 68358449. The reversal of 68358432 is 23485386.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (68358431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355938 + ... + 356129.

It is an arithmetic number, because the mean of its divisors is an integer number (7476714).

Almost surely, 2^68358432 is an apocalyptic number.

It is an amenable number.

68358432 is an abundant number, since it is smaller than the sum of its proper divisors (111082704).

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

68358432 is a wasteful number, since it uses less digits than its factorization.

68358432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712080 (or 712072 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 68358432 is about 8267.9158196005. The cubic root of 68358432 is about 408.8814086183.

The spelling of 68358432 in words is "sixty-eight million, three hundred fifty-eight thousand, four hundred thirty-two".