68216274 has 48 divisors (see below), whose sum is σ = 178858368. Its totient is φ = 18343296.

The previous prime is 68216261. The next prime is 68216279. The reversal of 68216274 is 47261286.

68216274 is a `hidden beast` number, since 6 + 8 + 21 + 627 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (68216279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13782 + ... + 18065.

It is an arithmetic number, because the mean of its divisors is an integer number (3726216).

Almost surely, 2^68216274 is an apocalyptic number.

68216274 is an abundant number, since it is smaller than the sum of its proper divisors (110642094).

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

68216274 is a wasteful number, since it uses less digits than its factorization.

68216274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31879 (or 31876 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 68216274 is about 8259.3143783246. The cubic root of 68216274 is about 408.5977757100.

The spelling of 68216274 in words is "sixty-eight million, two hundred sixteen thousand, two hundred seventy-four".