68831080 has 16 divisors (see below), whose sum is σ = 154870020. Its totient is φ = 27532416.

The previous prime is 68831071. The next prime is 68831093. The reversal of 68831080 is 8013886.

It can be written as a sum of positive squares in 2 ways, for example, as 55741156 + 13089924 = 7466^2 + 3618^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860349 + ... + 860428.

Almost surely, 2^68831080 is an apocalyptic number.

It is an amenable number.

68831080 is an abundant number, since it is smaller than the sum of its proper divisors (86038940).

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

68831080 is a wasteful number, since it uses less digits than its factorization.

68831080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720788 (or 1720784 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 68831080 is about 8296.4498431558. The cubic root of 68831080 is about 409.8216158357.

The spelling of 68831080 in words is "sixty-eight million, eight hundred thirty-one thousand, eighty".