68539378 has 8 divisors (see below), whose sum is σ = 103200768. Its totient is φ = 34139124.

The previous prime is 68539369. The next prime is 68539399. The reversal of 68539378 is 87393586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64626 + ... + 65677.

It is an arithmetic number, because the mean of its divisors is an integer number (12900096).

Almost surely, 2^68539378 is an apocalyptic number.

68539378 is a deficient number, since it is larger than the sum of its proper divisors (34661390).

68539378 is a wasteful number, since it uses less digits than its factorization.

68539378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130568.

The product of its digits is 1088640, while the sum is 49.

The square root of 68539378 is about 8278.8512488147. The cubic root of 68539378 is about 409.2418629117.

The spelling of 68539378 in words is "sixty-eight million, five hundred thirty-nine thousand, three hundred seventy-eight".