68067558 has 96 divisors (see below), whose sum is σ = 171243072. Its totient is φ = 19353600.

The previous prime is 68067551. The next prime is 68067569. The reversal of 68067558 is 85576086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68067551) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 282318 + ... + 282558.

It is an arithmetic number, because the mean of its divisors is an integer number (1783782).

Almost surely, 2^68067558 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68067558, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85621536).

68067558 is an abundant number, since it is smaller than the sum of its proper divisors (103175514).

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

68067558 is a wasteful number, since it uses less digits than its factorization.

68067558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 68067558 is about 8250.3065397596. The cubic root of 68067558 is about 408.3006362638.

The spelling of 68067558 in words is "sixty-eight million, sixty-seven thousand, five hundred fifty-eight".