68823472 has 80 divisors (see below), whose sum is σ = 148403200. Its totient is φ = 30792960.

The previous prime is 68823439. The next prime is 68823473. The reversal of 68823472 is 27432886.

It is not an unprimeable number, because it can be changed into a prime (68823473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631354 + ... + 631462.

It is an arithmetic number, because the mean of its divisors is an integer number (1855040).

Almost surely, 2^68823472 is an apocalyptic number.

68823472 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68823472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74201600).

68823472 is an abundant number, since it is smaller than the sum of its proper divisors (79579728).

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

68823472 is a wasteful number, since it uses less digits than its factorization.

68823472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 228 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 68823472 is about 8295.9913211141. The cubic root of 68823472 is about 409.8065158851.

The spelling of 68823472 in words is "sixty-eight million, eight hundred twenty-three thousand, four hundred seventy-two".