68169426 has 32 divisors (see below), whose sum is σ = 149325120. Its totient is φ = 20618304.

The previous prime is 68169383. The next prime is 68169427. The reversal of 68169426 is 62496186.

It is not an unprimeable number, because it can be changed into a prime (68169427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2805 + ... + 12008.

It is an arithmetic number, because the mean of its divisors is an integer number (4666410).

Almost surely, 2^68169426 is an apocalyptic number.

68169426 is an abundant number, since it is smaller than the sum of its proper divisors (81155694).

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

68169426 is a wasteful number, since it uses less digits than its factorization.

68169426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14890.

The product of its digits is 124416, while the sum is 42.

The square root of 68169426 is about 8256.4778204753. The cubic root of 68169426 is about 408.5042185029.

It can be divided in two parts, 681 and 69426, that added together give a palindrome (70107).

The spelling of 68169426 in words is "sixty-eight million, one hundred sixty-nine thousand, four hundred twenty-six".