67715714 has 12 divisors (see below), whose sum is σ = 111647382. Its totient is φ = 30779760.

The previous prime is 67715701. The next prime is 67715717. The reversal of 67715714 is 41751776.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 51595489 + 16120225 = 7183^2 + 4015^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (67715717) 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 5 ways as a sum of consecutive naturals, for example, 139667 + ... + 140150.

Almost surely, 2^67715714 is an apocalyptic number.

67715714 is a deficient number, since it is larger than the sum of its proper divisors (43931668).

67715714 is a wasteful number, since it uses less digits than its factorization.

67715714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279841 (or 279830 counting only the distinct ones).

The product of its digits is 41160, while the sum is 38.

The square root of 67715714 is about 8228.9558268349. The cubic root of 67715714 is about 407.5959130374.

The spelling of 67715714 in words is "sixty-seven million, seven hundred fifteen thousand, seven hundred fourteen".