68086480 has 120 divisors (see below), whose sum is σ = 201013920. Its totient is φ = 21208320.

The previous prime is 68086471. The next prime is 68086483. The reversal of 68086480 is 8468086.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68086483) 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, 42331 + ... + 43909.

It is an arithmetic number, because the mean of its divisors is an integer number (1675116).

Almost surely, 2^68086480 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 68086480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100506960).

68086480 is an abundant number, since it is smaller than the sum of its proper divisors (132927440).

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

68086480 is a wasteful number, since it uses less digits than its factorization.

68086480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 68086480 is about 8251.4532053451. The cubic root of 68086480 is about 408.3384670556.

The spelling of 68086480 in words is "sixty-eight million, eighty-six thousand, four hundred eighty".