68581360 has 20 divisors (see below), whose sum is σ = 159451848. Its totient is φ = 27432512.

The previous prime is 68581343. The next prime is 68581361. The reversal of 68581360 is 6318586.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68581361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428554 + ... + 428713.

Almost surely, 2^68581360 is an apocalyptic number.

It is an amenable number.

68581360 is an abundant number, since it is smaller than the sum of its proper divisors (90870488).

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

68581360 is a wasteful number, since it uses less digits than its factorization.

68581360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857280 (or 857274 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 68581360 is about 8281.3863573679. The cubic root of 68581360 is about 409.3254026505.

The spelling of 68581360 in words is "sixty-eight million, five hundred eighty-one thousand, three hundred sixty".