68776219 has 8 divisors (see below), whose sum is σ = 73584080. Its totient is φ = 64087200.

The previous prime is 68776217. The next prime is 68776223. The reversal of 68776219 is 91267786.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68776219 - 2¹ = 68776217 is a prime.

It is a super-2 number, since 2×68776219² = 9460336599871922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68776217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28512 + ... + 30829.

It is an arithmetic number, because the mean of its divisors is an integer number (9198010).

Almost surely, 2^68776219 is an apocalyptic number.

68776219 is a deficient number, since it is larger than the sum of its proper divisors (4807861).

68776219 is a wasteful number, since it uses less digits than its factorization.

68776219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59421.

The product of its digits is 254016, while the sum is 46.

The square root of 68776219 is about 8293.1428903643. The cubic root of 68776219 is about 409.7127057346.

The spelling of 68776219 in words is "sixty-eight million, seven hundred seventy-six thousand, two hundred nineteen".