68025247 has 4 divisors (see below), whose sum is σ = 68053336. Its totient is φ = 67997160.

The previous prime is 68025233. The next prime is 68025257. The reversal of 68025247 is 74252086.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74252086 = 2 ⋅37126043.

It is a cyclic number.

It is not a de Polignac number, because 68025247 - 2⁷ = 68025119 is a prime.

It is a super-2 number, since 2×68025247² = 9254868458822018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68025257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10029 + ... + 15382.

It is an arithmetic number, because the mean of its divisors is an integer number (17013334).

Almost surely, 2^68025247 is an apocalyptic number.

68025247 is a deficient number, since it is larger than the sum of its proper divisors (28089).

68025247 is a wasteful number, since it uses less digits than its factorization.

68025247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28088.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 68025247 is about 8247.7419334021. The cubic root of 68025247 is about 408.2160184249.

The spelling of 68025247 in words is "sixty-eight million, twenty-five thousand, two hundred forty-seven".