668274014 has 8 divisors (see below), whose sum is σ = 1004727360. Its totient is φ = 333364896.

The previous prime is 668273987. The next prime is 668274017. The reversal of 668274014 is 410472866.

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

It is a super-3 number, since 3×668274014³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668274017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384974 + ... + 386705.

It is an arithmetic number, because the mean of its divisors is an integer number (125590920).

Almost surely, 2^668274014 is an apocalyptic number.

668274014 is a deficient number, since it is larger than the sum of its proper divisors (336453346).

668274014 is a wasteful number, since it uses less digits than its factorization.

668274014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772114.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 668274014 is about 25850.9963831184. The cubic root of 668274014 is about 874.2819748680.

The spelling of 668274014 in words is "six hundred sixty-eight million, two hundred seventy-four thousand, fourteen".