68132308 has 6 divisors (see below), whose sum is σ = 119231546. Its totient is φ = 34066152.

The previous prime is 68132299. The next prime is 68132321. The reversal of 68132308 is 80323186.

It can be written as a sum of positive squares in only one way, i.e., 37970244 + 30162064 = 6162^2 + 5492^2 .

It is a super-2 number, since 2×68132308² = 9284022786813728, which contains 22 as substring.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 68132308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8516535 + ... + 8516542.

Almost surely, 2^68132308 is an apocalyptic number.

It is an amenable number.

68132308 is a deficient number, since it is larger than the sum of its proper divisors (51099238).

68132308 is a wasteful number, since it uses less digits than its factorization.

68132308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17033081 (or 17033079 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 68132308 is about 8254.2297036126. The cubic root of 68132308 is about 408.4300620305.

The spelling of 68132308 in words is "sixty-eight million, one hundred thirty-two thousand, three hundred eight".