68979926 has 8 divisors (see below), whose sum is σ = 105671520. Its totient is φ = 33756088.

The previous prime is 68979907. The next prime is 68979943. The reversal of 68979926 is 62997986.

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

It is a congruent number.

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, 366821 + ... + 367008.

It is an arithmetic number, because the mean of its divisors is an integer number (13208940).

Almost surely, 2^68979926 is an apocalyptic number.

68979926 is a deficient number, since it is larger than the sum of its proper divisors (36691594).

68979926 is a wasteful number, since it uses less digits than its factorization.

68979926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733878.

The product of its digits is 2939328, while the sum is 56.

The square root of 68979926 is about 8305.4154622150. The cubic root of 68979926 is about 410.1168138300.

The spelling of 68979926 in words is "sixty-eight million, nine hundred seventy-nine thousand, nine hundred twenty-six".