68239626 has 32 divisors (see below), whose sum is σ = 167975808. Its totient is φ = 17997120.

The previous prime is 68239607. The next prime is 68239637. The reversal of 68239626 is 62693286.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61945 + ... + 63036.

It is an arithmetic number, because the mean of its divisors is an integer number (5249244).

Almost surely, 2^68239626 is an apocalyptic number.

68239626 is an abundant number, since it is smaller than the sum of its proper divisors (99736182).

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

68239626 is a wasteful number, since it uses less digits than its factorization.

68239626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125006.

The product of its digits is 186624, while the sum is 42.

The square root of 68239626 is about 8260.7279340262. The cubic root of 68239626 is about 408.6443945305.

The spelling of 68239626 in words is "sixty-eight million, two hundred thirty-nine thousand, six hundred twenty-six".