68859936 has 48 divisors (see below), whose sum is σ = 200844000. Its totient is φ = 22953024.

The previous prime is 68859887. The next prime is 68859943. The reversal of 68859936 is 63995886.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38986 + ... + 40713.

It is an arithmetic number, because the mean of its divisors is an integer number (4184250).

Almost surely, 2^68859936 is an apocalyptic number.

It is an amenable number.

68859936 is an abundant number, since it is smaller than the sum of its proper divisors (131984064).

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

68859936 is a wasteful number, since it uses less digits than its factorization.

68859936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79718 (or 79704 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 68859936 is about 8298.1887180276. The cubic root of 68859936 is about 409.8788775667.

The spelling of 68859936 in words is "sixty-eight million, eight hundred fifty-nine thousand, nine hundred thirty-six".