67214368 has 24 divisors (see below), whose sum is σ = 142508268. Its totient is φ = 31021824.

The previous prime is 67214363. The next prime is 67214383. The reversal of 67214368 is 86341276.

It can be written as a sum of positive squares in 2 ways, for example, as 66389904 + 824464 = 8148^2 + 908^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (67214363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80371 + ... + 81202.

Almost surely, 2^67214368 is an apocalyptic number.

It is an amenable number.

67214368 is an abundant number, since it is smaller than the sum of its proper divisors (75293900).

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

67214368 is a wasteful number, since it uses less digits than its factorization.

67214368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161596 (or 161588 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 67214368 is about 8198.4369241948. The cubic root of 67214368 is about 406.5875160239.

The spelling of 67214368 in words is "sixty-seven million, two hundred fourteen thousand, three hundred sixty-eight".