68093870 has 32 divisors (see below), whose sum is σ = 134501472. Its totient is φ = 24665472.

The previous prime is 68093863. The next prime is 68093881. The reversal of 68093870 is 7839086.

It is a congruent number.

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, 1949 + ... + 11831.

It is an arithmetic number, because the mean of its divisors is an integer number (4203171).

Almost surely, 2^68093870 is an apocalyptic number.

68093870 is a deficient number, since it is larger than the sum of its proper divisors (66407602).

68093870 is a wasteful number, since it uses less digits than its factorization.

68093870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9956.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 68093870 is about 8251.9009931046. The cubic root of 68093870 is about 408.3532399939.

The spelling of 68093870 in words is "sixty-eight million, ninety-three thousand, eight hundred seventy".