68945026 has 16 divisors (see below), whose sum is σ = 106350048. Its totient is φ = 33501600.

The previous prime is 68945021. The next prime is 68945033. The reversal of 68945026 is 62054986.

It is a happy number.

It is a super-2 number, since 2×68945026² = 9506833220281352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68945026.

It is not an unprimeable number, because it can be changed into a prime (68945021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21721 + ... + 24691.

It is an arithmetic number, because the mean of its divisors is an integer number (6646878).

Almost surely, 2^68945026 is an apocalyptic number.

68945026 is a deficient number, since it is larger than the sum of its proper divisors (37405022).

68945026 is a wasteful number, since it uses less digits than its factorization.

68945026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 68945026 is about 8303.3141576120. The cubic root of 68945026 is about 410.0476367414.

Subtracting from 68945026 its sum of digits (40), we obtain a palindrome (68944986).

The spelling of 68945026 in words is "sixty-eight million, nine hundred forty-five thousand, twenty-six".