68828672 has 80 divisors (see below), whose sum is σ = 152762544. Its totient is φ = 30976000.

The previous prime is 68828653. The next prime is 68828701. The reversal of 68828672 is 27682886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681422 + ... + 681522.

Almost surely, 2^68828672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68828672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76381272).

68828672 is an abundant number, since it is smaller than the sum of its proper divisors (83933872).

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

68828672 is an equidigital number, since it uses as much as digits as its factorization.

68828672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 114 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 68828672 is about 8296.3047195724. The cubic root of 68828672 is about 409.8168366867.

The spelling of 68828672 in words is "sixty-eight million, eight hundred twenty-eight thousand, six hundred seventy-two".