68730826 has 16 divisors (see below), whose sum is σ = 105655680. Its totient is φ = 33532620.

The previous prime is 68730817. The next prime is 68730829. The reversal of 68730826 is 62803786.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68730829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207481 + ... + 207811.

It is an arithmetic number, because the mean of its divisors is an integer number (6603480).

Almost surely, 2^68730826 is an apocalyptic number.

68730826 is a deficient number, since it is larger than the sum of its proper divisors (36924854).

68730826 is an frugal number, since it uses more digits than its factorization.

68730826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 68730826 is about 8290.4056595561. The cubic root of 68730826 is about 409.6225477204.

It can be divided in two parts, 687 and 30826, that added together give a palindrome (31513).

The spelling of 68730826 in words is "sixty-eight million, seven hundred thirty thousand, eight hundred twenty-six".