68124872 has 32 divisors (see below), whose sum is σ = 130183200. Its totient is φ = 33416064.

The previous prime is 68124853. The next prime is 68124877. The reversal of 68124872 is 27842186.

It is not an unprimeable number, because it can be changed into a prime (68124877) 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, 115763 + ... + 116349.

It is an arithmetic number, because the mean of its divisors is an integer number (4068225).

Almost surely, 2^68124872 is an apocalyptic number.

It is an amenable number.

68124872 is a deficient number, since it is larger than the sum of its proper divisors (62058328).

68124872 is a wasteful number, since it uses less digits than its factorization.

68124872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 841 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 68124872 is about 8253.7792555895. The cubic root of 68124872 is about 408.4152027246.

The spelling of 68124872 in words is "sixty-eight million, one hundred twenty-four thousand, eight hundred seventy-two".