68093515 has 32 divisors (see below), whose sum is σ = 97542144. Its totient is φ = 44651520.

The previous prime is 68093503. The next prime is 68093533. The reversal of 68093515 is 51539086.

It is not a de Polignac number, because 68093515 - 2⁷ = 68093387 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 104922 + ... + 105568.

It is an arithmetic number, because the mean of its divisors is an integer number (3048192).

Almost surely, 2^68093515 is an apocalyptic number.

68093515 is a deficient number, since it is larger than the sum of its proper divisors (29448629).

68093515 is a wasteful number, since it uses less digits than its factorization.

68093515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 68093515 is about 8251.8794828815. The cubic root of 68093515 is about 408.3525303576.

The spelling of 68093515 in words is "sixty-eight million, ninety-three thousand, five hundred fifteen".