68023872 has 84 divisors (see below), whose sum is σ = 222845376. Its totient is φ = 19434240.

The previous prime is 68023843. The next prime is 68023897. The reversal of 68023872 is 27832086.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4404 + ... + 12467.

Almost surely, 2^68023872 is an apocalyptic number.

It is an amenable number.

68023872 is an abundant number, since it is smaller than the sum of its proper divisors (154821504).

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

68023872 is a wasteful number, since it uses less digits than its factorization.

68023872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16896 (or 16883 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 68023872 is about 8247.6585768326. The cubic root of 68023872 is about 408.2132679715.

The spelling of 68023872 in words is "sixty-eight million, twenty-three thousand, eight hundred seventy-two".