68408212 has 12 divisors (see below), whose sum is σ = 119900116. Its totient is φ = 34151040.

The previous prime is 68408191. The next prime is 68408239. The reversal of 68408212 is 21280486.

It can be written as a sum of positive squares in 2 ways, for example, as 44142736 + 24265476 = 6644^2 + 4926^2 .

It is a congruent number.

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, 10293 + ... + 15580.

Almost surely, 2^68408212 is an apocalyptic number.

It is an amenable number.

68408212 is a deficient number, since it is larger than the sum of its proper divisors (51491904).

68408212 is a wasteful number, since it uses less digits than its factorization.

68408212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26538 (or 26536 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 68408212 is about 8270.9257039342. The cubic root of 68408212 is about 408.9806364539.

Adding to 68408212 its reverse (21280486), we get a palindrome (89688698).

The spelling of 68408212 in words is "sixty-eight million, four hundred eight thousand, two hundred twelve".