68242319 has 8 divisors (see below), whose sum is σ = 73776240. Its totient is φ = 62902656.

The previous prime is 68242309. The next prime is 68242399. The reversal of 68242319 is 91324286.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68242319 is a prime.

It is a super-2 number, since 2×68242319² = 9314028204995522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68242309) 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, 47834 + ... + 49239.

It is an arithmetic number, because the mean of its divisors is an integer number (9222030).

Almost surely, 2^68242319 is an apocalyptic number.

68242319 is a deficient number, since it is larger than the sum of its proper divisors (5533921).

68242319 is a wasteful number, since it uses less digits than its factorization.

68242319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97129.

The product of its digits is 20736, while the sum is 35.

The square root of 68242319 is about 8260.8909325811. The cubic root of 68242319 is about 408.6497700234.

The spelling of 68242319 in words is "sixty-eight million, two hundred forty-two thousand, three hundred nineteen".