68605488 has 160 divisors (see below), whose sum is σ = 230144000. Its totient is φ = 19559232.

The previous prime is 68605483. The next prime is 68605499. The reversal of 68605488 is 88450686.

It is a super-4 number, since 4×68605488⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (68605483) 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 31 ways as a sum of consecutive naturals, for example, 147945 + ... + 148407.

It is an arithmetic number, because the mean of its divisors is an integer number (1438400).

Almost surely, 2^68605488 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 68605488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115072000).

68605488 is an abundant number, since it is smaller than the sum of its proper divisors (161538512).

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

68605488 is a wasteful number, since it uses less digits than its factorization.

68605488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 68605488 is about 8282.8429901816. The cubic root of 68605488 is about 409.3733993916.

The spelling of 68605488 in words is "sixty-eight million, six hundred five thousand, four hundred eighty-eight".