68480872 has 16 divisors (see below), whose sum is σ = 129845700. Its totient is φ = 33855360.

The previous prime is 68480851. The next prime is 68480899. The reversal of 68480872 is 27808486.

It can be written as a sum of positive squares in 2 ways, for example, as 65836996 + 2643876 = 8114^2 + 1626^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47379 + ... + 48802.

Almost surely, 2^68480872 is an apocalyptic number.

It is an amenable number.

68480872 is a deficient number, since it is larger than the sum of its proper divisors (61364828).

68480872 is a wasteful number, since it uses less digits than its factorization.

68480872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96276 (or 96272 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 68480872 is about 8275.3170332018. The cubic root of 68480872 is about 409.1253852456.

The spelling of 68480872 in words is "sixty-eight million, four hundred eighty thousand, eight hundred seventy-two".