68320026 has 24 divisors (see below), whose sum is σ = 149341140. Its totient is φ = 22571136.

The previous prime is 68320009. The next prime is 68320033. The reversal of 68320026 is 62002386.

It can be written as a sum of positive squares in 2 ways, for example, as 68310225 + 9801 = 8265^2 + 99^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14761 + ... + 18828.

Almost surely, 2^68320026 is an apocalyptic number.

68320026 is an abundant number, since it is smaller than the sum of its proper divisors (81021114).

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

68320026 is a wasteful number, since it uses less digits than its factorization.

68320026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33710 (or 33707 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 68320026 is about 8265.5929006938. The cubic root of 68320026 is about 408.8048199628.

The spelling of 68320026 in words is "sixty-eight million, three hundred twenty thousand, twenty-six".