68811750 has 192 divisors, whose sum is σ = 226032768. Its totient is φ = 14745600.

The previous prime is 68811727. The next prime is 68811793. The reversal of 68811750 is 5711886.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 267622 + ... + 267878.

It is an arithmetic number, because the mean of its divisors is an integer number (1177254).

Almost surely, 2^68811750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68811750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113016384).

68811750 is an abundant number, since it is smaller than the sum of its proper divisors (157221018).

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

68811750 is a wasteful number, since it uses less digits than its factorization.

68811750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 68811750 is about 8295.2848052372. The cubic root of 68811750 is about 409.7832485094.

The spelling of 68811750 in words is "sixty-eight million, eight hundred eleven thousand, seven hundred fifty".