68367680 has 28 divisors (see below), whose sum is σ = 162801300. Its totient is φ = 27346944.

The previous prime is 68367583. The next prime is 68367701. The reversal of 68367680 is 8676386.

It can be written as a sum of positive squares in 2 ways, for example, as 26790976 + 41576704 = 5176^2 + 6448^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106505 + ... + 107144.

Almost surely, 2^68367680 is an apocalyptic number.

It is an amenable number.

68367680 is an abundant number, since it is smaller than the sum of its proper divisors (94433620).

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

68367680 is a wasteful number, since it uses less digits than its factorization.

68367680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213666 (or 213656 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 68367680 is about 8268.4750710152. The cubic root of 68367680 is about 408.8998465522.

The spelling of 68367680 in words is "sixty-eight million, three hundred sixty-seven thousand, six hundred eighty".