68362638 has 8 divisors (see below), whose sum is σ = 136725288. Its totient is φ = 22787544.

The previous prime is 68362631. The next prime is 68362649. The reversal of 68362638 is 83626386.

It is a sphenic number, since it is the product of 3 distinct primes.

68362638 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 68362638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68362631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5696881 + ... + 5696892.

It is an arithmetic number, because the mean of its divisors is an integer number (17090661).

Almost surely, 2^68362638 is an apocalyptic number.

68362638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68362638 is a wasteful number, since it uses less digits than its factorization.

68362638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11393778.

The product of its digits is 248832, while the sum is 42.

The square root of 68362638 is about 8268.1701724142. The cubic root of 68362638 is about 408.8897944160.

The spelling of 68362638 in words is "sixty-eight million, three hundred sixty-two thousand, six hundred thirty-eight".