68946630 has 128 divisors (see below), whose sum is σ = 186278400. Its totient is φ = 16257024.

The previous prime is 68946629. The next prime is 68946643. The reversal of 68946630 is 3664986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 710742 + ... + 710838.

It is an arithmetic number, because the mean of its divisors is an integer number (1455300).

Almost surely, 2^68946630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68946630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93139200).

68946630 is an abundant number, since it is smaller than the sum of its proper divisors (117331770).

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

68946630 is a wasteful number, since it uses less digits than its factorization.

68946630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 68946630 is about 8303.4107449891. The cubic root of 68946630 is about 410.0508166242.

The spelling of 68946630 in words is "sixty-eight million, nine hundred forty-six thousand, six hundred thirty".