68124320 has 48 divisors (see below), whose sum is σ = 175579488. Its totient is φ = 24771840.

The previous prime is 68124319. The next prime is 68124337. The reversal of 68124320 is 2342186.

It is a self number, because there is not a number n which added to its sum of digits gives 68124320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17594 + ... + 21113.

It is an arithmetic number, because the mean of its divisors is an integer number (3657906).

Almost surely, 2^68124320 is an apocalyptic number.

It is an amenable number.

68124320 is an abundant number, since it is smaller than the sum of its proper divisors (107455168).

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

68124320 is a wasteful number, since it uses less digits than its factorization.

68124320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38733 (or 38725 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 68124320 is about 8253.7458162946. The cubic root of 68124320 is about 408.4140996238.

The spelling of 68124320 in words is "sixty-eight million, one hundred twenty-four thousand, three hundred twenty".