68626340 has 12 divisors (see below), whose sum is σ = 144115356. Its totient is φ = 27450528.

The previous prime is 68626339. The next prime is 68626357. The reversal of 68626340 is 4362686.

It can be written as a sum of positive squares in 2 ways, for example, as 12166144 + 56460196 = 3488^2 + 7514^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68626340.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1715639 + ... + 1715678.

It is an arithmetic number, because the mean of its divisors is an integer number (12009613).

Almost surely, 2^68626340 is an apocalyptic number.

It is an amenable number.

68626340 is an abundant number, since it is smaller than the sum of its proper divisors (75489016).

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

68626340 is a wasteful number, since it uses less digits than its factorization.

68626340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3431326 (or 3431324 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 68626340 is about 8284.1016410954. The cubic root of 68626340 is about 409.4148702694.

The spelling of 68626340 in words is "sixty-eight million, six hundred twenty-six thousand, three hundred forty".