68133814 has 12 divisors (see below), whose sum is σ = 118886724. Its totient is φ = 29200164.

The previous prime is 68133811. The next prime is 68133817. The reversal of 68133814 is 41833186.

It is an interprime number because it is at equal distance from previous prime (68133811) and next prime (68133817).

It is a super-2 number, since 2×68133814² = 9284433220373192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68133814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68133811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 347524 + ... + 347719.

It is an arithmetic number, because the mean of its divisors is an integer number (9907227).

Almost surely, 2^68133814 is an apocalyptic number.

68133814 is a deficient number, since it is larger than the sum of its proper divisors (50752910).

68133814 is a wasteful number, since it uses less digits than its factorization.

68133814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695259 (or 695252 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 68133814 is about 8254.3209290650. The cubic root of 68133814 is about 408.4330713280.

The spelling of 68133814 in words is "sixty-eight million, one hundred thirty-three thousand, eight hundred fourteen".