67716233 has 4 divisors (see below), whose sum is σ = 72925188. Its totient is φ = 62507280.

The previous prime is 67716221. The next prime is 67716239. The reversal of 67716233 is 33261776.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17405584 + 50310649 = 4172^2 + 7093^2 .

It is a cyclic number.

It is not a de Polignac number, because 67716233 - 2⁶ = 67716169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67716193 and 67716202.

It is not an unprimeable number, because it can be changed into a prime (67716239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2604458 + ... + 2604483.

It is an arithmetic number, because the mean of its divisors is an integer number (18231297).

Almost surely, 2^67716233 is an apocalyptic number.

It is an amenable number.

67716233 is a deficient number, since it is larger than the sum of its proper divisors (5208955).

67716233 is a wasteful number, since it uses less digits than its factorization.

67716233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208954.

The product of its digits is 31752, while the sum is 35.

The square root of 67716233 is about 8228.9873617596. The cubic root of 67716233 is about 407.5969543602.

The spelling of 67716233 in words is "sixty-seven million, seven hundred sixteen thousand, two hundred thirty-three".