68794440 has 256 divisors, whose sum is σ = 256435200. Its totient is φ = 14515200.

The previous prime is 68794423. The next prime is 68794447. The reversal of 68794440 is 4449786.

It is a junction number, because it is equal to n+sod(n) for n = 68794392 and 68794401.

It is not an unprimeable number, because it can be changed into a prime (68794447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 325935 + ... + 326145.

It is an arithmetic number, because the mean of its divisors is an integer number (1001700).

Almost surely, 2^68794440 is an apocalyptic number.

68794440 is a gapful number since it is divisible by the number (60) 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 68794440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128217600).

68794440 is an abundant number, since it is smaller than the sum of its proper divisors (187640760).

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

68794440 is a wasteful number, since it uses less digits than its factorization.

68794440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 68794440 is about 8294.2413757980. The cubic root of 68794440 is about 409.7488844998.

The spelling of 68794440 in words is "sixty-eight million, seven hundred ninety-four thousand, four hundred forty".