68276480 has 72 divisors (see below), whose sum is σ = 167661144. Its totient is φ = 26624000.

The previous prime is 68276473. The next prime is 68276497. The reversal of 68276480 is 8467286.

It can be written as a sum of positive squares in 4 ways, for example, as 7311616 + 60964864 = 2704^2 + 7808^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51830 + ... + 53130.

It is an arithmetic number, because the mean of its divisors is an integer number (2328627).

Almost surely, 2^68276480 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 68276480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83830572).

68276480 is an abundant number, since it is smaller than the sum of its proper divisors (99384664).

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

68276480 is a wasteful number, since it uses less digits than its factorization.

68276480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363 (or 1349 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 68276480 is about 8262.9583080154. The cubic root of 68276480 is about 408.7179464682.

The spelling of 68276480 in words is "sixty-eight million, two hundred seventy-six thousand, four hundred eighty".