68485560 has 192 divisors, whose sum is σ = 243492480. Its totient is φ = 15275520.

The previous prime is 68485523. The next prime is 68485561. The reversal of 68485560 is 6558486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68485561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 222927 + ... + 223233.

It is an arithmetic number, because the mean of its divisors is an integer number (1268190).

Almost surely, 2^68485560 is an apocalyptic number.

68485560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68485560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121746240).

68485560 is an abundant number, since it is smaller than the sum of its proper divisors (175006920).

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

68485560 is a wasteful number, since it uses less digits than its factorization.

68485560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 68485560 is about 8275.6002803422. The cubic root of 68485560 is about 409.1347208746.

The spelling of 68485560 in words is "sixty-eight million, four hundred eighty-five thousand, five hundred sixty".