68611592 has 64 divisors (see below), whose sum is σ = 157489920. Its totient is φ = 27353088.

The previous prime is 68611591. The next prime is 68611597. The reversal of 68611592 is 29511686.

It is not an unprimeable number, because it can be changed into a prime (68611591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91973 + ... + 92715.

It is an arithmetic number, because the mean of its divisors is an integer number (2460780).

Almost surely, 2^68611592 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 68611592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78744960).

68611592 is an abundant number, since it is smaller than the sum of its proper divisors (88878328).

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

68611592 is a wasteful number, since it uses less digits than its factorization.

68611592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 866 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 68611592 is about 8283.2114545024. The cubic root of 68611592 is about 409.3855400196.

The spelling of 68611592 in words is "sixty-eight million, six hundred eleven thousand, five hundred ninety-two".