68511762 has 48 divisors (see below), whose sum is σ = 162751680. Its totient is φ = 20656800.

The previous prime is 68511761. The next prime is 68511797. The reversal of 68511762 is 26711586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68511761) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44587 + ... + 46097.

It is an arithmetic number, because the mean of its divisors is an integer number (3390660).

Almost surely, 2^68511762 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68511762, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81375840).

68511762 is an abundant number, since it is smaller than the sum of its proper divisors (94239918).

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

68511762 is a wasteful number, since it uses less digits than its factorization.

68511762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759 (or 1756 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 68511762 is about 8277.1832165296. The cubic root of 68511762 is about 409.1868913910.

The spelling of 68511762 in words is "sixty-eight million, five hundred eleven thousand, seven hundred sixty-two".