68579838 has 32 divisors (see below), whose sum is σ = 157658400. Its totient is φ = 22071168.

The previous prime is 68579807. The next prime is 68579851. The reversal of 68579838 is 83897586.

It is a happy number.

68579838 is a `hidden beast` number, since 68 + 579 + 8 + 3 + 8 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20331 + ... + 23462.

It is an arithmetic number, because the mean of its divisors is an integer number (4926825).

Almost surely, 2^68579838 is an apocalyptic number.

68579838 is an abundant number, since it is smaller than the sum of its proper divisors (89078562).

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

68579838 is a wasteful number, since it uses less digits than its factorization.

68579838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43833 (or 43827 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 68579838 is about 8281.2944640316. The cubic root of 68579838 is about 409.3223746272.

The spelling of 68579838 in words is "sixty-eight million, five hundred seventy-nine thousand, eight hundred thirty-eight".