68276736 has 160 divisors (see below), whose sum is σ = 220968000. Its totient is φ = 20643840.

The previous prime is 68276731. The next prime is 68276737. The reversal of 68276736 is 63767286.

It is a junction number, because it is equal to n+sod(n) for n = 68276691 and 68276700.

It is not an unprimeable number, because it can be changed into a prime (68276731) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 151840 + ... + 152288.

It is an arithmetic number, because the mean of its divisors is an integer number (1381050).

Almost surely, 2^68276736 is an apocalyptic number.

68276736 is a gapful number since it is divisible by the number (66) 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 68276736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110484000).

68276736 is an abundant number, since it is smaller than the sum of its proper divisors (152691264).

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

68276736 is a wasteful number, since it uses less digits than its factorization.

68276736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 465 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 68276736 is about 8262.9737988209. The cubic root of 68276736 is about 408.7184572916.

The spelling of 68276736 in words is "sixty-eight million, two hundred seventy-six thousand, seven hundred thirty-six".