68770944 has 224 divisors, whose sum is σ = 227431440. Its totient is φ = 20528640.

The previous prime is 68770913. The next prime is 68770957. The reversal of 68770944 is 44907786.

It is a super-2 number, since 2×68770944² = 9458885477302272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68770944.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1026399 + ... + 1026465.

Almost surely, 2^68770944 is an apocalyptic number.

68770944 is a gapful number since it is divisible by the number (64) 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 68770944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113715720).

68770944 is an abundant number, since it is smaller than the sum of its proper divisors (158660496).

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

68770944 is an equidigital number, since it uses as much as digits as its factorization.

68770944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 68770944 is about 8292.8248504355. The cubic root of 68770944 is about 409.7022307487.

It can be divided in two parts, 687 and 70944, that added together give a triangular number (71631 = T₃₇₈).

The spelling of 68770944 in words is "sixty-eight million, seven hundred seventy thousand, nine hundred forty-four".