68944616 has 128 divisors (see below), whose sum is σ = 160876800. Its totient is φ = 27371520.

The previous prime is 68944613. The next prime is 68944633. The reversal of 68944616 is 61644986.

It is not an unprimeable number, because it can be changed into a prime (68944613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1681556 + ... + 1681596.

It is an arithmetic number, because the mean of its divisors is an integer number (1256850).

Almost surely, 2^68944616 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 68944616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80438400).

68944616 is an abundant number, since it is smaller than the sum of its proper divisors (91932184).

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

68944616 is a wasteful number, since it uses less digits than its factorization.

68944616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 135 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 68944616 is about 8303.2894686383. The cubic root of 68944616 is about 410.0468239206.

The spelling of 68944616 in words is "sixty-eight million, nine hundred forty-four thousand, six hundred sixteen".