68072115 has 16 divisors (see below), whose sum is σ = 109388448. Its totient is φ = 36147456.

The previous prime is 68072107. The next prime is 68072143. The reversal of 68072115 is 51127086.

It is not a de Polignac number, because 68072115 - 2³ = 68072107 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 6244 + ... + 13233.

It is an arithmetic number, because the mean of its divisors is an integer number (6836778).

Almost surely, 2^68072115 is an apocalyptic number.

68072115 is a deficient number, since it is larger than the sum of its proper divisors (41316333).

68072115 is a wasteful number, since it uses less digits than its factorization.

68072115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19718.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 68072115 is about 8250.5827066941. The cubic root of 68072115 is about 408.3097477237.

The spelling of 68072115 in words is "sixty-eight million, seventy-two thousand, one hundred fifteen".